45466413721 has 8 divisors (see below), whose sum is σ = 45830984040. Its totient is φ = 45102317568.

The previous prime is 45466413703. The next prime is 45466413757. The reversal of 45466413721 is 12731466454.

It can be written as a sum of positive squares in 4 ways, for example, as 2353705225 + 43112708496 = 48515^2 + 207636^2 .

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 45466413721 - 2³⁵ = 11106675353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45466413781) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75265 + ... + 310801.

It is an arithmetic number, because the mean of its divisors is an integer number (5728873005).

Almost surely, 2^45466413721 is an apocalyptic number.

It is an amenable number.

45466413721 is a deficient number, since it is larger than the sum of its proper divisors (364570319).

45466413721 is a wasteful number, since it uses less digits than its factorization.

45466413721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237083.

The product of its digits is 483840, while the sum is 43.

The spelling of 45466413721 in words is "forty-five billion, four hundred sixty-six million, four hundred thirteen thousand, seven hundred twenty-one".