2157947150 has 36 divisors (see below), whose sum is σ = 4036284072. Its totient is φ = 858365280.

The previous prime is 2157947053. The next prime is 2157947167. The reversal of 2157947150 is 517497512.

It is a junction number, because it is equal to n+sod(n) for n = 2157947098 and 2157947107.

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, 2621639 + ... + 2622461.

It is an arithmetic number, because the mean of its divisors is an integer number (112119002).

Almost surely, 2^2157947150 is an apocalyptic number.

2157947150 is a deficient number, since it is larger than the sum of its proper divisors (1878336922).

2157947150 is an equidigital number, since it uses as much as digits as its factorization.

2157947150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1293 (or 1059 counting only the distinct ones).

The product of its (nonzero) digits is 88200, while the sum is 41.

The square root of 2157947150 is about 46453.7097549808. The cubic root of 2157947150 is about 1292.2511720649.

The spelling of 2157947150 in words is "two billion, one hundred fifty-seven million, nine hundred forty-seven thousand, one hundred fifty".