4640870850451 has 4 divisors (see below), whose sum is σ = 5062768200504. Its totient is φ = 4218973500400.

The previous prime is 4640870850391. The next prime is 4640870850457. The reversal of 4640870850451 is 1540580780464.

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 4640870850451 - 2³⁹ = 4091115036563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4640870850457) 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, 210948675010 + ... + 210948675031.

It is an arithmetic number, because the mean of its divisors is an integer number (1265692050126).

Almost surely, 2^{4640870850451} is an apocalyptic number.

4640870850451 is a deficient number, since it is larger than the sum of its proper divisors (421897350053).

4640870850451 is a wasteful number, since it uses less digits than its factorization.

4640870850451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421897350052.

The product of its (nonzero) digits is 4300800, while the sum is 52.

The spelling of 4640870850451 in words is "four trillion, six hundred forty billion, eight hundred seventy million, eight hundred fifty thousand, four hundred fifty-one".