2157488462 has 36 divisors (see below), whose sum is σ = 3558950304. Its totient is φ = 979705920.

The previous prime is 2157488449. The next prime is 2157488477. The reversal of 2157488462 is 2648847512.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 6217373 + ... + 6217719.

Almost surely, 2^2157488462 is an apocalyptic number.

2157488462 is a deficient number, since it is larger than the sum of its proper divisors (1401461842).

2157488462 is an equidigital number, since it uses as much as digits as its factorization.

2157488462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761 (or 397 counting only the distinct ones).

The product of its digits is 860160, while the sum is 47.

The square root of 2157488462 is about 46448.7724487957. The cubic root of 2157488462 is about 1292.1596063211.

The spelling of 2157488462 in words is "two billion, one hundred fifty-seven million, four hundred eighty-eight thousand, four hundred sixty-two".