2150633172465 has 12 divisors (see below), whose sum is σ = 3727764165684. Its totient is φ = 1147004358624.

The previous prime is 2150633172427. The next prime is 2150633172481. The reversal of 2150633172465 is 5642713360512.

2150633172465 is a `hidden beast` number, since 2 + 1 + 5 + 0 + 633 + 1 + 7 + 2 + 4 + 6 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1290948167601 + 859685004864 = 1136199^2 + 927192^2 .

It is not a de Polignac number, because 2150633172465 - 2²⁵ = 2150599618033 is a prime.

It is a super-3 number, since 3×2150633172465³ (a number of 38 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 47791848277 = 2150633172465 / (2 + 1 + 5 + 0 + 6 + 3 + 3 + 1 + 7 + 2 + 4 + 6 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 2150633172465.

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, 23895924094 + ... + 23895924183.

It is an arithmetic number, because the mean of its divisors is an integer number (310647013807).

Almost surely, 2^{2150633172465} is an apocalyptic number.

It is an amenable number.

2150633172465 is a deficient number, since it is larger than the sum of its proper divisors (1577130993219).

2150633172465 is a wasteful number, since it uses less digits than its factorization.

2150633172465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47791848288 (or 47791848285 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 45.

The spelling of 2150633172465 in words is "two trillion, one hundred fifty billion, six hundred thirty-three million, one hundred seventy-two thousand, four hundred sixty-five".