2147275538 has 48 divisors (see below), whose sum is σ = 3641305920. Its totient is φ = 946284768.

The previous prime is 2147275523. The next prime is 2147275547. The reversal of 2147275538 is 8355727412.

It is a super-2 number, since 2×2147275538² = 9221584472186378888, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 742331 + ... + 745217.

It is an arithmetic number, because the mean of its divisors is an integer number (75860540).

Almost surely, 2^2147275538 is an apocalyptic number.

2147275538 is a deficient number, since it is larger than the sum of its proper divisors (1494030382).

2147275538 is a wasteful number, since it uses less digits than its factorization.

2147275538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2991 (or 2968 counting only the distinct ones).

The product of its digits is 470400, while the sum is 44.

The square root of 2147275538 is about 46338.7045351939. The cubic root of 2147275538 is about 1290.1174778335.

The spelling of 2147275538 in words is "two billion, one hundred forty-seven million, two hundred seventy-five thousand, five hundred thirty-eight".