955444996391 has 4 divisors (see below), whose sum is σ = 955447239552. Its totient is φ = 955442753232.

The previous prime is 955444996381. The next prime is 955444996393. The reversal of 955444996391 is 193699444559.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 955444996391 - 2⁶ = 955444996327 is a prime.

It is a super-2 number, since 2×955444996391² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (955444996393) 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, 264206 + ... + 1407371.

It is an arithmetic number, because the mean of its divisors is an integer number (238861809888).

Almost surely, 2^955444996391 is an apocalyptic number.

955444996391 is a deficient number, since it is larger than the sum of its proper divisors (2243161).

955444996391 is a wasteful number, since it uses less digits than its factorization.

955444996391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2243160.

The product of its digits is 188956800, while the sum is 68.

The spelling of 955444996391 in words is "nine hundred fifty-five billion, four hundred forty-four million, nine hundred ninety-six thousand, three hundred ninety-one".