955619491 has 4 divisors (see below), whose sum is σ = 958002984. Its totient is φ = 953236000.

The previous prime is 955619437. The next prime is 955619503. The reversal of 955619491 is 194916559.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 194916559 = 23 ⋅8474633.

It is a cyclic number.

It is not a de Polignac number, because 955619491 - 2⁷ = 955619363 is a prime.

It is a super-2 number, since 2×955619491² = 1826417223158198162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (955611491) 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, 1191145 + ... + 1191946.

It is an arithmetic number, because the mean of its divisors is an integer number (239500746).

Almost surely, 2^955619491 is an apocalyptic number.

955619491 is a deficient number, since it is larger than the sum of its proper divisors (2383493).

955619491 is a wasteful number, since it uses less digits than its factorization.

955619491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2383492.

The product of its digits is 437400, while the sum is 49.

The square root of 955619491 is about 30913.0957847964. The cubic root of 955619491 is about 984.9820883651.

The spelling of 955619491 in words is "nine hundred fifty-five million, six hundred nineteen thousand, four hundred ninety-one".