2169620652050 has 24 divisors (see below), whose sum is σ = 4090775165076. Its totient is φ = 855959927040.

The previous prime is 2169620651953. The next prime is 2169620652071. The reversal of 2169620652050 is 502560269612.

It can be written as a sum of positive squares in 6 ways, for example, as 806398612009 + 1363222040041 = 897997^2 + 1167571^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2169620651992 and 2169620652010.

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, 297204659 + ... + 297211958.

Almost surely, 2^{2169620652050} is an apocalyptic number.

2169620652050 is a deficient number, since it is larger than the sum of its proper divisors (1921154513026).

2169620652050 is a wasteful number, since it uses less digits than its factorization.

2169620652050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594416702 (or 594416697 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 44.

The spelling of 2169620652050 in words is "two trillion, one hundred sixty-nine billion, six hundred twenty million, six hundred fifty-two thousand, fifty".