620619149192 has 64 divisors (see below), whose sum is σ = 1429144456320. Its totient is φ = 246597424128.

The previous prime is 620619149177. The next prime is 620619149197. The reversal of 620619149192 is 291941916026.

620619149192 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 620619149192.

It is not an unprimeable number, because it can be changed into a prime (620619149197) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4801223 + ... + 4928790.

It is an arithmetic number, because the mean of its divisors is an integer number (22330382130).

Almost surely, 2^620619149192 is an apocalyptic number.

It is an amenable number.

620619149192 is an abundant number, since it is smaller than the sum of its proper divisors (808525307128).

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

620619149192 is a wasteful number, since it uses less digits than its factorization.

620619149192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9730110 (or 9730106 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 50.

The spelling of 620619149192 in words is "six hundred twenty billion, six hundred nineteen million, one hundred forty-nine thousand, one hundred ninety-two".