64901389260 has 192 divisors, whose sum is σ = 199961395200. Its totient is φ = 15655170048.

The previous prime is 64901389207. The next prime is 64901389283. The reversal of 64901389260 is 6298310946.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6591421 + ... + 6601259.

It is an arithmetic number, because the mean of its divisors is an integer number (1041465600).

Almost surely, 2^64901389260 is an apocalyptic number.

64901389260 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 64901389260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99980697600).

64901389260 is an abundant number, since it is smaller than the sum of its proper divisors (135060005940).

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

64901389260 is a wasteful number, since it uses less digits than its factorization.

64901389260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10120 (or 10118 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 48.

The spelling of 64901389260 in words is "sixty-four billion, nine hundred one million, three hundred eighty-nine thousand, two hundred sixty".