620495609100 has 36 divisors (see below), whose sum is σ = 1795300629864. Its totient is φ = 165465495680.

The previous prime is 620495609021. The next prime is 620495609117. The reversal of 620495609100 is 1906594026.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1034159049 + ... + 1034159648.

Almost surely, 2^620495609100 is an apocalyptic number.

620495609100 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

620495609100 is an abundant number, since it is smaller than the sum of its proper divisors (1174805020764).

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

620495609100 is a wasteful number, since it uses less digits than its factorization.

620495609100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2068318714 (or 2068318707 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 42.

The spelling of 620495609100 in words is "six hundred twenty billion, four hundred ninety-five million, six hundred nine thousand, one hundred".