2547948136 has 16 divisors (see below), whose sum is σ = 4778194500. Its totient is φ = 1273762944.

The previous prime is 2547948097. The next prime is 2547948163. The reversal of 2547948136 is 6318497452.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2351668036 + 196280100 = 48494^2 + 14010^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2547948136.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32676 + ... + 78508.

Almost surely, 2^2547948136 is an apocalyptic number.

It is an amenable number.

2547948136 is a deficient number, since it is larger than the sum of its proper divisors (2230246364).

2547948136 is a wasteful number, since it uses less digits than its factorization.

2547948136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52788 (or 52784 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 49.

The square root of 2547948136 is about 50477.2041222570. The cubic root of 2547948136 is about 1365.8306716962.

The spelling of 2547948136 in words is "two billion, five hundred forty-seven million, nine hundred forty-eight thousand, one hundred thirty-six".