1954012959 has 24 divisors (see below), whose sum is σ = 2839491200. Its totient is φ = 1294843968.

The previous prime is 1954012943. The next prime is 1954012993. The reversal of 1954012959 is 9592104591.

1954012959 is a `hidden beast` number, since 1 + 9 + 540 + 12 + 95 + 9 = 666.

It is not a de Polignac number, because 1954012959 - 2⁴ = 1954012943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1954012919) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1246194 + ... + 1247760.

Almost surely, 2^1954012959 is an apocalyptic number.

1954012959 is a deficient number, since it is larger than the sum of its proper divisors (885478241).

1954012959 is a wasteful number, since it uses less digits than its factorization.

1954012959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2319 (or 2316 counting only the distinct ones).

The product of its (nonzero) digits is 145800, while the sum is 45.

The square root of 1954012959 is about 44204.2187918755. The cubic root of 1954012959 is about 1250.1894025532.

The spelling of 1954012959 in words is "one billion, nine hundred fifty-four million, twelve thousand, nine hundred fifty-nine".