2157490514 has 8 divisors (see below), whose sum is σ = 3311497200. Its totient is φ = 1053658116.

The previous prime is 2157490487. The next prime is 2157490571. The reversal of 2157490514 is 4150947512.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12543464 + ... + 12543635.

It is an arithmetic number, because the mean of its divisors is an integer number (413937150).

Almost surely, 2^2157490514 is an apocalyptic number.

2157490514 is a deficient number, since it is larger than the sum of its proper divisors (1154006686).

2157490514 is a wasteful number, since it uses less digits than its factorization.

2157490514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25087144.

The product of its (nonzero) digits is 50400, while the sum is 38.

The square root of 2157490514 is about 46448.7945376411. The cubic root of 2157490514 is about 1292.1600159812.

The spelling of 2157490514 in words is "two billion, one hundred fifty-seven million, four hundred ninety thousand, five hundred fourteen".