801958405263 has 32 divisors (see below), whose sum is σ = 1147806567936. Its totient is φ = 496263979008.

The previous prime is 801958405247. The next prime is 801958405291. The reversal of 801958405263 is 362504859108.

801958405263 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 801958405263 - 2⁴ = 801958405247 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (801958425263) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2278270 + ... + 2606612.

It is an arithmetic number, because the mean of its divisors is an integer number (35868955248).

Almost surely, 2^801958405263 is an apocalyptic number.

801958405263 is a gapful number since it is divisible by the number (83) formed by its first and last digit.

801958405263 is a deficient number, since it is larger than the sum of its proper divisors (345848162673).

801958405263 is a wasteful number, since it uses less digits than its factorization.

801958405263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329023.

The product of its (nonzero) digits is 2073600, while the sum is 51.

The spelling of 801958405263 in words is "eight hundred one billion, nine hundred fifty-eight million, four hundred five thousand, two hundred sixty-three".