45971581033727 has 4 divisors (see below), whose sum is σ = 45996125392800. Its totient is φ = 45947036674656.

The previous prime is 45971581033717. The next prime is 45971581033739. The reversal of 45971581033727 is 72733018517954.

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

It is a cyclic number.

It is not a de Polignac number, because 45971581033727 - 2⁴ = 45971581033711 is a prime.

It is a super-2 number, since 2×45971581033727² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45971581033727.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45971581033717) 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, 12272176727 + ... + 12272180472.

It is an arithmetic number, because the mean of its divisors is an integer number (11499031348200).

Almost surely, 2^{45971581033727} is an apocalyptic number.

45971581033727 is a deficient number, since it is larger than the sum of its proper divisors (24544359073).

45971581033727 is a wasteful number, since it uses less digits than its factorization.

45971581033727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24544359072.

The product of its (nonzero) digits is 44452800, while the sum is 62.

The spelling of 45971581033727 in words is "forty-five trillion, nine hundred seventy-one billion, five hundred eighty-one million, thirty-three thousand, seven hundred twenty-seven".