2151023632 has 20 divisors (see below), whose sum is σ = 4193181520. Its totient is φ = 1068912288.

The previous prime is 2151023579. The next prime is 2151023657. The reversal of 2151023632 is 2363201512.

It is a junction number, because it is equal to n+sod(n) for n = 2151023597 and 2151023606.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 409782 + ... + 414997.

It is an arithmetic number, because the mean of its divisors is an integer number (209659076).

Almost surely, 2^2151023632 is an apocalyptic number.

It is an amenable number.

2151023632 is a deficient number, since it is larger than the sum of its proper divisors (2042157888).

2151023632 is a wasteful number, since it uses less digits than its factorization.

2151023632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 824950 (or 824944 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 2151023632 is about 46379.1292716886. The cubic root of 2151023632 is about 1290.8676797762.

The spelling of 2151023632 in words is "two billion, one hundred fifty-one million, twenty-three thousand, six hundred thirty-two".