2321012639169 has 27 divisors (see below), whose sum is σ = 3899986559937. Its totient is φ = 1326274654824.

The previous prime is 2321012639159. The next prime is 2321012639171. The reversal of 2321012639169 is 9619362101232.

The square root of 2321012639169 is 1523487.

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

2321012639169 is a `hidden beast` number, since 2 + 3 + 2 + 1 + 0 + 1 + 2 + 639 + 1 + 6 + 9 = 666.

It is not a de Polignac number, because 2321012639169 - 2¹³ = 2321012630977 is a prime.

It is a super-2 number, since 2×2321012639169² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2321012639119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 31956954 + ... + 32029500.

Almost surely, 2^{2321012639169} is an apocalyptic number.

2321012639169 is the 1523487-th square number.

2321012639169 is the 761744-th centered octagonal number.

It is an amenable number.

2321012639169 is a deficient number, since it is larger than the sum of its proper divisors (1578973920768).

2321012639169 is an frugal number, since it uses more digits than its factorization.

2321012639169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145114 (or 72557 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 45.

The spelling of 2321012639169 in words is "two trillion, three hundred twenty-one billion, twelve million, six hundred thirty-nine thousand, one hundred sixty-nine".