4651645401 has 60 divisors (see below), whose sum is σ = 7551648720. Its totient is φ = 2852197920.

The previous prime is 4651645399. The next prime is 4651645403. The reversal of 4651645401 is 1045461564.

4651645401 is a `hidden beast` number, since 4 + 6 + 5 + 1 + 645 + 4 + 0 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (4651645399) and next prime (4651645403).

It is not a de Polignac number, because 4651645401 - 2¹ = 4651645399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4651645403) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 5735286 + ... + 5736096.

It is an arithmetic number, because the mean of its divisors is an integer number (125860812).

Almost surely, 2^4651645401 is an apocalyptic number.

It is an amenable number.

4651645401 is a deficient number, since it is larger than the sum of its proper divisors (2900003319).

4651645401 is a wasteful number, since it uses less digits than its factorization.

4651645401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1268 (or 1246 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 4651645401 is about 68202.9720833337. The cubic root of 4651645401 is about 1669.3043825020.

The spelling of 4651645401 in words is "four billion, six hundred fifty-one million, six hundred forty-five thousand, four hundred one".