1950178945 has 32 divisors (see below), whose sum is σ = 2753936640. Its totient is φ = 1307024640.

The previous prime is 1950178883. The next prime is 1950178991. The reversal of 1950178945 is 5498710591.

It is not a de Polignac number, because 1950178945 - 2²⁹ = 1413308033 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 505012 + ... + 508858.

It is an arithmetic number, because the mean of its divisors is an integer number (86060520).

Almost surely, 2^1950178945 is an apocalyptic number.

It is an amenable number.

1950178945 is a deficient number, since it is larger than the sum of its proper divisors (803757695).

1950178945 is a wasteful number, since it uses less digits than its factorization.

1950178945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4585.

The product of its (nonzero) digits is 453600, while the sum is 49.

The square root of 1950178945 is about 44160.8304382968. The cubic root of 1950178945 is about 1249.3711920001.

The spelling of 1950178945 in words is "one billion, nine hundred fifty million, one hundred seventy-eight thousand, nine hundred forty-five".