2179612275201 has 15 divisors (see below), whose sum is σ = 3255983864881. Its totient is φ = 1453065992028.

The previous prime is 2179612275199. The next prime is 2179612275223. The reversal of 2179612275201 is 1025722169712.

The square root of 2179612275201 is 1476351.

It is a perfect power (a square), and thus also a powerful number.

2179612275201 is a `hidden beast` number, since 2 + 1 + 7 + 9 + 612 + 2 + 7 + 5 + 20 + 1 = 666.

It is not a de Polignac number, because 2179612275201 - 2¹ = 2179612275199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2179612275901) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 13205140 + ... + 13369178.

Almost surely, 2^{2179612275201} is an apocalyptic number.

2179612275201 is the 1476351-st square number.

2179612275201 is the 738176-th centered octagonal number.

It is an amenable number.

2179612275201 is a deficient number, since it is larger than the sum of its proper divisors (1076371589680).

2179612275201 is an frugal number, since it uses more digits than its factorization.

2179612275201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328090 (or 164042 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 45.

The spelling of 2179612275201 in words is "two trillion, one hundred seventy-nine billion, six hundred twelve million, two hundred seventy-five thousand, two hundred one".