1955373459 has 16 divisors (see below), whose sum is σ = 2904535200. Its totient is φ = 1161812736.

The previous prime is 1955373437. The next prime is 1955373479. The reversal of 1955373459 is 9543735591.

It is not a de Polignac number, because 1955373459 - 2⁷ = 1955373331 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1955373419) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 863314 + ... + 865575.

It is an arithmetic number, because the mean of its divisors is an integer number (181533450).

Almost surely, 2^1955373459 is an apocalyptic number.

1955373459 is a deficient number, since it is larger than the sum of its proper divisors (949161741).

1955373459 is a wasteful number, since it uses less digits than its factorization.

1955373459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1728934.

The product of its digits is 2551500, while the sum is 51.

The square root of 1955373459 is about 44219.6049168239. The cubic root of 1955373459 is about 1250.4794873034.

The spelling of 1955373459 in words is "one billion, nine hundred fifty-five million, three hundred seventy-three thousand, four hundred fifty-nine".