955151961 has 4 divisors (see below), whose sum is σ = 1273535952. Its totient is φ = 636767972.

The previous prime is 955151959. The next prime is 955151971. The reversal of 955151961 is 169151559.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 955151961 - 2¹ = 955151959 is a prime.

It is not an unprimeable number, because it can be changed into a prime (955151921) 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, 159191991 + ... + 159191996.

It is an arithmetic number, because the mean of its divisors is an integer number (318383988).

Almost surely, 2^955151961 is an apocalyptic number.

It is an amenable number.

955151961 is a deficient number, since it is larger than the sum of its proper divisors (318383991).

955151961 is a wasteful number, since it uses less digits than its factorization.

955151961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318383990.

The product of its digits is 60750, while the sum is 42.

The square root of 955151961 is about 30905.5328541671. The cubic root of 955151961 is about 984.8214303484.

The spelling of 955151961 in words is "nine hundred fifty-five million, one hundred fifty-one thousand, nine hundred sixty-one".