4665251601 has 6 divisors (see below), whose sum is σ = 6738696770. Its totient is φ = 3110167728.

The previous prime is 4665251593. The next prime is 4665251611. The reversal of 4665251601 is 1061525664.

4665251601 is a `hidden beast` number, since 46 + 6 + 5 + 2 + 5 + 1 + 601 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4303491201 + 361760400 = 65601^2 + 19020^2 .

It is not a de Polignac number, because 4665251601 - 2³ = 4665251593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4665251611) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 259180636 + ... + 259180653.

Almost surely, 2^4665251601 is an apocalyptic number.

It is an amenable number.

4665251601 is a deficient number, since it is larger than the sum of its proper divisors (2073445169).

4665251601 is a wasteful number, since it uses less digits than its factorization.

4665251601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518361295 (or 518361292 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 4665251601 is about 68302.6471009726. The cubic root of 4665251601 is about 1670.9303863464.

The spelling of 4665251601 in words is "four billion, six hundred sixty-five million, two hundred fifty-one thousand, six hundred one".