2149506715156 has 6 divisors (see below), whose sum is σ = 3761636751530. Its totient is φ = 1074753357576.

The previous prime is 2149506715133. The next prime is 2149506715247. The reversal of 2149506715156 is 6515176059412.

It can be written as a sum of positive squares in only one way, i.e., 2043012835600 + 106493879556 = 1429340^2 + 326334^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268688339391 + ... + 268688339398.

Almost surely, 2^{2149506715156} is an apocalyptic number.

It is an amenable number.

2149506715156 is a deficient number, since it is larger than the sum of its proper divisors (1612130036374).

2149506715156 is a wasteful number, since it uses less digits than its factorization.

2149506715156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537376678793 (or 537376678791 counting only the distinct ones).

The product of its (nonzero) digits is 2268000, while the sum is 52.

The spelling of 2149506715156 in words is "two trillion, one hundred forty-nine billion, five hundred six million, seven hundred fifteen thousand, one hundred fifty-six".