5091890691810 has 64 divisors (see below), whose sum is σ = 13160817911808. Its totient is φ = 1253365726464.

The previous prime is 5091890691799. The next prime is 5091890691851. The reversal of 5091890691810 is 181960981905.

It is a super-2 number, since 2×5091890691810² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33895224 + ... + 34045116.

It is an arithmetic number, because the mean of its divisors is an integer number (205637779872).

Almost surely, 2^{5091890691810} is an apocalyptic number.

5091890691810 is an abundant number, since it is smaller than the sum of its proper divisors (8068927219998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5091890691810 is a wasteful number, since it uses less digits than its factorization.

5091890691810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237019.

The product of its (nonzero) digits is 1399680, while the sum is 57.

The spelling of 5091890691810 in words is "five trillion, ninety-one billion, eight hundred ninety million, six hundred ninety-one thousand, eight hundred ten".