45971431841 has 4 divisors (see below), whose sum is σ = 48675633732. Its totient is φ = 43267229952.

The previous prime is 45971431811. The next prime is 45971431853. The reversal of 45971431841 is 14813417954.

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 37411296400 + 8560135441 = 193420^2 + 92521^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45971431841 is a prime.

It is a super-2 number, since 2×45971431841² (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 (45971431811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1352100920 + ... + 1352100953.

It is an arithmetic number, because the mean of its divisors is an integer number (12168908433).

Almost surely, 2^45971431841 is an apocalyptic number.

It is an amenable number.

45971431841 is a deficient number, since it is larger than the sum of its proper divisors (2704201891).

45971431841 is a wasteful number, since it uses less digits than its factorization.

45971431841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2704201890.

The product of its digits is 483840, while the sum is 47.

The spelling of 45971431841 in words is "forty-five billion, nine hundred seventy-one million, four hundred thirty-one thousand, eight hundred forty-one".