623591770650 has 48 divisors (see below), whose sum is σ = 1546580679168. Its totient is φ = 166283280000.

The previous prime is 623591770591. The next prime is 623591770661. The reversal of 623591770650 is 56077195326.

It is a junction number, because it is equal to n+sod(n) for n = 623591770593 and 623591770602.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3531975 + ... + 3704325.

It is an arithmetic number, because the mean of its divisors is an integer number (32220430816).

Almost surely, 2^623591770650 is an apocalyptic number.

623591770650 is an abundant number, since it is smaller than the sum of its proper divisors (922988908518).

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

623591770650 is a wasteful number, since it uses less digits than its factorization.

623591770650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196487 (or 196482 counting only the distinct ones).

The product of its (nonzero) digits is 2381400, while the sum is 51.

The spelling of 623591770650 in words is "six hundred twenty-three billion, five hundred ninety-one million, seven hundred seventy thousand, six hundred fifty".