4625666137 has 4 divisors (see below), whose sum is σ = 4826782080. Its totient is φ = 4424550196.

The previous prime is 4625666113. The next prime is 4625666159. The reversal of 4625666137 is 7316665264.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4625666137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4625666197) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100557937 + ... + 100557982.

It is an arithmetic number, because the mean of its divisors is an integer number (1206695520).

Almost surely, 2^4625666137 is an apocalyptic number.

It is an amenable number.

4625666137 is a deficient number, since it is larger than the sum of its proper divisors (201115943).

4625666137 is a wasteful number, since it uses less digits than its factorization.

4625666137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201115942.

The product of its digits is 1088640, while the sum is 46.

The square root of 4625666137 is about 68012.2499039695. The cubic root of 4625666137 is about 1666.1909117584.

The spelling of 4625666137 in words is "four billion, six hundred twenty-five million, six hundred sixty-six thousand, one hundred thirty-seven".