150981204969 has 27 divisors (see below), whose sum is σ = 253703219133. Its totient is φ = 86270311512.

The previous prime is 150981204931. The next prime is 150981205003. The reversal of 150981204969 is 969402189051.

The square root of 150981204969 is 388563.

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

150981204969 is a `hidden beast` number, since 1 + 50 + 9 + 81 + 20 + 496 + 9 = 666.

It is not a de Polignac number, because 150981204969 - 2¹⁵ = 150981172201 is a prime.

It is a super-2 number, since 2×150981204969² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (150981204169) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 8150572 + ... + 8169074.

Almost surely, 2^150981204969 is an apocalyptic number.

150981204969 is the 388563-rd square number.

150981204969 is the 194282-nd centered octagonal number.

It is an amenable number.

150981204969 is a deficient number, since it is larger than the sum of its proper divisors (102722014164).

150981204969 is an frugal number, since it uses more digits than its factorization.

150981204969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37026 (or 18513 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 54.

The spelling of 150981204969 in words is "one hundred fifty billion, nine hundred eighty-one million, two hundred four thousand, nine hundred sixty-nine".