45806110781 has 4 divisors (see below), whose sum is σ = 46582485600. Its totient is φ = 45029735964.

The previous prime is 45806110723. The next prime is 45806110783. The reversal of 45806110781 is 18701160854.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 18701160854 = 2 ⋅9350580427.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45806110781 is a prime.

It is a super-2 number, since 2×45806110781² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45806110783) 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, 388187321 + ... + 388187438.

It is an arithmetic number, because the mean of its divisors is an integer number (11645621400).

Almost surely, 2^45806110781 is an apocalyptic number.

It is an amenable number.

45806110781 is a deficient number, since it is larger than the sum of its proper divisors (776374819).

45806110781 is an equidigital number, since it uses as much as digits as its factorization.

45806110781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776374818.

The product of its (nonzero) digits is 53760, while the sum is 41.

The spelling of 45806110781 in words is "forty-five billion, eight hundred six million, one hundred ten thousand, seven hundred eighty-one".