2152694430 has 48 divisors (see below), whose sum is σ = 5840359200. Its totient is φ = 549092544.

The previous prime is 2152694429. The next prime is 2152694431. The reversal of 2152694430 is 344962512.

It is a happy number.

2152694430 is a `hidden beast` number, since 2 + 1 + 526 + 94 + 43 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (2152694429) and next prime (2152694431).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2152694431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 517905 + ... + 522044.

It is an arithmetic number, because the mean of its divisors is an integer number (121674150).

Almost surely, 2^2152694430 is an apocalyptic number.

2152694430 is an abundant number, since it is smaller than the sum of its proper divisors (3687664770).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2152694430 is a wasteful number, since it uses less digits than its factorization.

2152694430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1039985 (or 1039982 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 2152694430 is about 46397.1381660550. The cubic root of 2152694430 is about 1291.2018185127.

The spelling of 2152694430 in words is "two billion, one hundred fifty-two million, six hundred ninety-four thousand, four hundred thirty".