2945431494 has 24 divisors (see below), whose sum is σ = 6401912400. Its totient is φ = 978711408.

The previous prime is 2945431493. The next prime is 2945431549. The reversal of 2945431494 is 4941345492.

2945431494 is a `hidden beast` number, since 2 + 9 + 4 + 543 + 14 + 94 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2945431493) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 252394 + ... + 263805.

It is an arithmetic number, because the mean of its divisors is an integer number (266746350).

Almost surely, 2^2945431494 is an apocalyptic number.

2945431494 is an abundant number, since it is smaller than the sum of its proper divisors (3456480906).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2945431494 is a wasteful number, since it uses less digits than its factorization.

2945431494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516524 (or 516521 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The square root of 2945431494 is about 54271.8296540664. The cubic root of 2945431494 is about 1433.4514074836.

The spelling of 2945431494 in words is "two billion, nine hundred forty-five million, four hundred thirty-one thousand, four hundred ninety-four".