2945391883 has 8 divisors (see below), whose sum is σ = 3373373952. Its totient is φ = 2519212776.

The previous prime is 2945391877. The next prime is 2945391887. The reversal of 2945391883 is 3881935492.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2945391883 - 2⁵ = 2945391851 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2945391883.

It is not an unprimeable number, because it can be changed into a prime (2945391887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 447235 + ... + 453772.

It is an arithmetic number, because the mean of its divisors is an integer number (421671744).

Almost surely, 2^2945391883 is an apocalyptic number.

2945391883 is a deficient number, since it is larger than the sum of its proper divisors (427982069).

2945391883 is an equidigital number, since it uses as much as digits as its factorization.

2945391883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 901481.

The product of its digits is 1866240, while the sum is 52.

The square root of 2945391883 is about 54271.4647213432. The cubic root of 2945391883 is about 1433.4449816341. Note that the first 3 decimals are identical.

Subtracting 2945391883 from its reverse (3881935492), we obtain a square (936543609 = 30603²).

The spelling of 2945391883 in words is "two billion, nine hundred forty-five million, three hundred ninety-one thousand, eight hundred eighty-three".