45354436921 has 8 divisors (see below), whose sum is σ = 46531659680. Its totient is φ = 44182780992.

The previous prime is 45354436903. The next prime is 45354437033. The reversal of 45354436921 is 12963445354.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45354436921 - 2⁵ = 45354436889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45354466921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1375200 + ... + 1407793.

It is an arithmetic number, because the mean of its divisors is an integer number (5816457460).

Almost surely, 2^45354436921 is an apocalyptic number.

It is an amenable number.

45354436921 is a deficient number, since it is larger than the sum of its proper divisors (1177222759).

45354436921 is a wasteful number, since it uses less digits than its factorization.

45354436921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2783415.

The product of its digits is 1555200, while the sum is 46.

The spelling of 45354436921 in words is "forty-five billion, three hundred fifty-four million, four hundred thirty-six thousand, nine hundred twenty-one".