4645653251 has 4 divisors (see below), whose sum is σ = 4672506912. Its totient is φ = 4618799592.

The previous prime is 4645653227. The next prime is 4645653277. The reversal of 4645653251 is 1523565464.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4645653251 - 2²⁶ = 4578544387 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4645653199 and 4645653208.

It is not an unprimeable number, because it can be changed into a prime (4645653751) 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, 13426571 + ... + 13426916.

It is an arithmetic number, because the mean of its divisors is an integer number (1168126728).

Almost surely, 2^4645653251 is an apocalyptic number.

4645653251 is a deficient number, since it is larger than the sum of its proper divisors (26853661).

4645653251 is a wasteful number, since it uses less digits than its factorization.

4645653251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26853660.

The product of its digits is 432000, while the sum is 41.

The square root of 4645653251 is about 68159.0291230736. The cubic root of 4645653251 is about 1668.5872871112.

The spelling of 4645653251 in words is "four billion, six hundred forty-five million, six hundred fifty-three thousand, two hundred fifty-one".