2151323594 has 8 divisors (see below), whose sum is σ = 3687983328. Its totient is φ = 921995820.

The previous prime is 2151323567. The next prime is 2151323641. The reversal of 2151323594 is 4953231512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2151323594² = 9256386412202153672, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76832972 + ... + 76832999.

It is an arithmetic number, because the mean of its divisors is an integer number (460997916).

Almost surely, 2^2151323594 is an apocalyptic number.

2151323594 is a deficient number, since it is larger than the sum of its proper divisors (1536659734).

2151323594 is a wasteful number, since it uses less digits than its factorization.

2151323594 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153665980.

The product of its digits is 32400, while the sum is 35.

The square root of 2151323594 is about 46382.3629626607. The cubic root of 2151323594 is about 1290.9276811708.

The spelling of 2151323594 in words is "two billion, one hundred fifty-one million, three hundred twenty-three thousand, five hundred ninety-four".