2150269641 has 81 divisors (see below), whose sum is σ = 3570243807. Its totient is φ = 1246452480.

The previous prime is 2150269603. The next prime is 2150269661. The reversal of 2150269641 is 1469620512.

The square root of 2150269641 is 46371.

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

2150269641 is a `hidden beast` number, since 2 + 1 + 5 + 0 + 2 + 6 + 9 + 641 = 666.

It can be written as a sum of positive squares in 13 ways, for example, as 2105433225 + 44836416 = 45885^2 + 6696^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2150269641 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2150269596 and 2150269605.

It is not an unprimeable number, because it can be changed into a prime (2150269661) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 52445581 + ... + 52445621.

Almost surely, 2^2150269641 is an apocalyptic number.

2150269641 is the 46371-st square number.

2150269641 is the 23186-th centered octagonal number.

It is an amenable number.

2150269641 is a deficient number, since it is larger than the sum of its proper divisors (1419974166).

2150269641 is a wasteful number, since it uses less digits than its factorization.

2150269641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172 (or 86 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The cubic root of 2150269641 is about 1290.7168343302.

Multiplying 2150269641 by its sum of digits (36), we get a square (77409707076 = 278226²).

The spelling of 2150269641 in words is "two billion, one hundred fifty million, two hundred sixty-nine thousand, six hundred forty-one".