4565649137 has 48 divisors (see below), whose sum is σ = 5755668480. Its totient is φ = 3599316000.

The previous prime is 4565649131. The next prime is 4565649157. The reversal of 4565649137 is 7319465654.

It is not a de Polignac number, because 4565649137 - 2⁸ = 4565648881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4565649131) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6606962 + ... + 6607652.

It is an arithmetic number, because the mean of its divisors is an integer number (119909760).

Almost surely, 2^4565649137 is an apocalyptic number.

4565649137 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

It is an amenable number.

4565649137 is a deficient number, since it is larger than the sum of its proper divisors (1190019343).

4565649137 is a wasteful number, since it uses less digits than its factorization.

4565649137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922 (or 915 counting only the distinct ones).

The product of its digits is 2721600, while the sum is 50.

The square root of 4565649137 is about 67569.5873673948. The cubic root of 4565649137 is about 1658.9533656116.

The spelling of 4565649137 in words is "four billion, five hundred sixty-five million, six hundred forty-nine thousand, one hundred thirty-seven".