4520877898191 has 16 divisors (see below), whose sum is σ = 6290418395904. Its totient is φ = 2882648888064.

The previous prime is 4520877898151. The next prime is 4520877898219. The reversal of 4520877898191 is 1918987780254.

It is not a de Polignac number, because 4520877898191 - 2⁶ = 4520877898127 is a prime.

It is a super-2 number, since 2×4520877898191² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (69).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4520877898111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1736941 + ... + 3472566.

It is an arithmetic number, because the mean of its divisors is an integer number (393151149744).

Almost surely, 2^{4520877898191} is an apocalyptic number.

4520877898191 is a deficient number, since it is larger than the sum of its proper divisors (1769540497713).

4520877898191 is a wasteful number, since it uses less digits than its factorization.

4520877898191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5222110.

The product of its (nonzero) digits is 81285120, while the sum is 69.

The spelling of 4520877898191 in words is "four trillion, five hundred twenty billion, eight hundred seventy-seven million, eight hundred ninety-eight thousand, one hundred ninety-one".