45606354421 has 4 divisors (see below), whose sum is σ = 45649831500. Its totient is φ = 45562877344.

The previous prime is 45606354397. The next prime is 45606354433. The reversal of 45606354421 is 12445360654.

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

It can be written as a sum of positive squares in 2 ways, for example, as 28178658225 + 17427696196 = 167865^2 + 132014^2 .

It is a cyclic number.

It is not a de Polignac number, because 45606354421 - 2¹⁷ = 45606223349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45606754421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21736966 + ... + 21739063.

It is an arithmetic number, because the mean of its divisors is an integer number (11412457875).

Almost surely, 2^45606354421 is an apocalyptic number.

It is an amenable number.

45606354421 is a deficient number, since it is larger than the sum of its proper divisors (43477079).

45606354421 is a wasteful number, since it uses less digits than its factorization.

45606354421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43477078.

The product of its (nonzero) digits is 345600, while the sum is 40.

The spelling of 45606354421 in words is "forty-five billion, six hundred six million, three hundred fifty-four thousand, four hundred twenty-one".