6149951636 has 12 divisors (see below), whose sum is σ = 10809414420. Its totient is φ = 3061547520.

The previous prime is 6149951617. The next prime is 6149951657. The reversal of 6149951636 is 6361599416.

It can be written as a sum of positive squares in 2 ways, for example, as 4503215236 + 1646736400 = 67106^2 + 40580^2 .

It is a congruent number.

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, 3356045 + ... + 3357876.

It is an arithmetic number, because the mean of its divisors is an integer number (900784535).

Almost surely, 2^6149951636 is an apocalyptic number.

It is an amenable number.

6149951636 is a deficient number, since it is larger than the sum of its proper divisors (4659462784).

6149951636 is a wasteful number, since it uses less digits than its factorization.

6149951636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6714154 (or 6714152 counting only the distinct ones).

The product of its digits is 1049760, while the sum is 50.

The square root of 6149951636 is about 78421.6273485829. The cubic root of 6149951636 is about 1832.1339967491.

The spelling of 6149951636 in words is "six billion, one hundred forty-nine million, nine hundred fifty-one thousand, six hundred thirty-six".