45004213651 has 4 divisors (see below), whose sum is σ = 45004908592. Its totient is φ = 45003518712.

The previous prime is 45004213613. The next prime is 45004213669. The reversal of 45004213651 is 15631240054.

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 45004213651 - 2⁹ = 45004213139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45004213351) 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, 239055 + ... + 383608.

It is an arithmetic number, because the mean of its divisors is an integer number (11251227148).

Almost surely, 2^45004213651 is an apocalyptic number.

45004213651 is a deficient number, since it is larger than the sum of its proper divisors (694941).

45004213651 is an equidigital number, since it uses as much as digits as its factorization.

45004213651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694940.

The product of its (nonzero) digits is 14400, while the sum is 31.

The spelling of 45004213651 in words is "forty-five billion, four million, two hundred thirteen thousand, six hundred fifty-one".