955164421 has 4 divisors (see below), whose sum is σ = 956218432. Its totient is φ = 954110412.

The previous prime is 955164391. The next prime is 955164437. The reversal of 955164421 is 124461559.

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, and also an emirpimes, since its reverse is a distinct semiprime: 124461559 = 31 ⋅4014889.

It is a cyclic number.

It is not a de Polignac number, because 955164421 - 2¹⁷ = 955033349 is a prime.

It is a super-2 number, since 2×955164421² = 1824678142288530482, which 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 (955164481) 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, 525645 + ... + 527458.

It is an arithmetic number, because the mean of its divisors is an integer number (239054608).

Almost surely, 2^955164421 is an apocalyptic number.

It is an amenable number.

955164421 is a deficient number, since it is larger than the sum of its proper divisors (1054011).

955164421 is a wasteful number, since it uses less digits than its factorization.

955164421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1054010.

The product of its digits is 43200, while the sum is 37.

The square root of 955164421 is about 30905.7344355380. The cubic root of 955164421 is about 984.8257126763.

The spelling of 955164421 in words is "nine hundred fifty-five million, one hundred sixty-four thousand, four hundred twenty-one".