650493810340920 has 4096 divisors, whose sum is σ = 3101371976908800. Its totient is φ = 117304262000640.

The previous prime is 650493810340901. The next prime is 650493810340939. The reversal of 650493810340920 is 29043018394056.

650493810340920 is a `hidden beast` number, since 6 + 5 + 0 + 493 + 8 + 103 + 40 + 9 + 2 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (650493810340901) and next prime (650493810340939).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 1023 ways as a sum of consecutive naturals, for example, 63136344489 + ... + 63136354791.

It is an arithmetic number, because the mean of its divisors is an integer number (757170892800).

Almost surely, 2^{650493810340920} is an apocalyptic number.

650493810340920 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 650493810340920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1550685988454400).

650493810340920 is an abundant number, since it is smaller than the sum of its proper divisors (2450878166567880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

650493810340920 is a wasteful number, since it uses less digits than its factorization.

650493810340920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10467 (or 10457 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 54.

The spelling of 650493810340920 in words is "six hundred fifty trillion, four hundred ninety-three billion, eight hundred ten million, three hundred forty thousand, nine hundred twenty".