620249598126 has 64 divisors (see below), whose sum is σ = 1477428413760. Its totient is φ = 194588085888.

The previous prime is 620249598097. The next prime is 620249598151. The reversal of 620249598126 is 621895942026.

620249598126 is a `hidden beast` number, since 6 + 2 + 0 + 2 + 49 + 598 + 1 + 2 + 6 = 666.

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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4096341 + ... + 4245056.

It is an arithmetic number, because the mean of its divisors is an integer number (23084818965).

Almost surely, 2^620249598126 is an apocalyptic number.

620249598126 is an abundant number, since it is smaller than the sum of its proper divisors (857178815634).

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

620249598126 is an equidigital number, since it uses as much as digits as its factorization.

620249598126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8341437 (or 8341419 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 54.

The spelling of 620249598126 in words is "six hundred twenty billion, two hundred forty-nine million, five hundred ninety-eight thousand, one hundred twenty-six".