621050782492 has 48 divisors (see below), whose sum is σ = 1272859499520. Its totient is φ = 259612299072.

The previous prime is 621050782433. The next prime is 621050782519. The reversal of 621050782492 is 294287050126.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 419742 + ... + 1190917.

It is an arithmetic number, because the mean of its divisors is an integer number (26517906240).

Almost surely, 2^621050782492 is an apocalyptic number.

It is an amenable number.

621050782492 is an abundant number, since it is smaller than the sum of its proper divisors (651808717028).

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

621050782492 is a wasteful number, since it uses less digits than its factorization.

621050782492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1611010 (or 1611008 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 46.

The spelling of 621050782492 in words is "six hundred twenty-one billion, fifty million, seven hundred eighty-two thousand, four hundred ninety-two".