45416696921 has 4 divisors (see below), whose sum is σ = 45417131172. Its totient is φ = 45416262672.

The previous prime is 45416696903. The next prime is 45416696951. The reversal of 45416696921 is 12969661454.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 16857386896 + 28559310025 = 129836^2 + 168995^2 .

It is a cyclic number.

It is not a de Polignac number, because 45416696921 - 2³⁴ = 28236827737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45416696951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46235 + ... + 304911.

It is an arithmetic number, because the mean of its divisors is an integer number (11354282793).

Almost surely, 2^45416696921 is an apocalyptic number.

It is an amenable number.

45416696921 is a deficient number, since it is larger than the sum of its proper divisors (434251).

45416696921 is a wasteful number, since it uses less digits than its factorization.

45416696921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434250.

The product of its digits is 2799360, while the sum is 53.

The spelling of 45416696921 in words is "forty-five billion, four hundred sixteen million, six hundred ninety-six thousand, nine hundred twenty-one".