2152621958 has 16 divisors (see below), whose sum is σ = 3335982720. Its totient is φ = 1040688000.

The previous prime is 2152621951. The next prime is 2152621969. The reversal of 2152621958 is 8591262512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2152621951) 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 7 ways as a sum of consecutive naturals, for example, 60008 + ... + 88916.

It is an arithmetic number, because the mean of its divisors is an integer number (208498920).

Almost surely, 2^2152621958 is an apocalyptic number.

2152621958 is a deficient number, since it is larger than the sum of its proper divisors (1183360762).

2152621958 is a wasteful number, since it uses less digits than its factorization.

2152621958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30143.

The product of its digits is 86400, while the sum is 41.

The square root of 2152621958 is about 46396.3571630360. The cubic root of 2152621958 is about 1291.1873286054.

The spelling of 2152621958 in words is "two billion, one hundred fifty-two million, six hundred twenty-one thousand, nine hundred fifty-eight".