45631771217 has 8 divisors (see below), whose sum is σ = 45894561600. Its totient is φ = 45369316080.

The previous prime is 45631771193. The next prime is 45631771231. The reversal of 45631771217 is 71217713654.

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 45631771217 - 2¹² = 45631767121 is a prime.

It is a super-2 number, since 2×45631771217² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45631771247) 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, 191798 + ... + 357840.

It is an arithmetic number, because the mean of its divisors is an integer number (5736820200).

Almost surely, 2^45631771217 is an apocalyptic number.

It is an amenable number.

45631771217 is a deficient number, since it is larger than the sum of its proper divisors (262790383).

45631771217 is a wasteful number, since it uses less digits than its factorization.

45631771217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167623.

The product of its digits is 246960, while the sum is 44.

The spelling of 45631771217 in words is "forty-five billion, six hundred thirty-one million, seven hundred seventy-one thousand, two hundred seventeen".