955213204491 has 112 divisors (see below), whose sum is σ = 1773114965440. Its totient is φ = 503842809600.

The previous prime is 955213204427. The next prime is 955213204501. The reversal of 955213204491 is 194402312559.

It is a happy number.

955213204491 is a `hidden beast` number, since 9 + 5 + 521 + 32 + 0 + 4 + 4 + 91 = 666.

955213204491 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 955213204491 - 2⁶ = 955213204427 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (955213104491) by changing a digit.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 11168691 + ... + 11253891.

It is an arithmetic number, because the mean of its divisors is an integer number (15831383620).

Almost surely, 2^955213204491 is an apocalyptic number.

955213204491 is a gapful number since it is divisible by the number (91) formed by its first and last digit.

955213204491 is a deficient number, since it is larger than the sum of its proper divisors (817901760949).

955213204491 is an frugal number, since it uses more digits than its factorization.

955213204491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85265 (or 85224 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 45.

The spelling of 955213204491 in words is "nine hundred fifty-five billion, two hundred thirteen million, two hundred four thousand, four hundred ninety-one".