2940287983 has 2 divisors, whose sum is σ = 2940287984. Its totient is φ = 2940287982.

The previous prime is 2940287957. The next prime is 2940288011. The reversal of 2940287983 is 3897820492.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2940287983 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2940287983.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2940287923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1470143991 + 1470143992.

It is an arithmetic number, because the mean of its divisors is an integer number (1470143992).

Almost surely, 2^2940287983 is an apocalyptic number.

2940287983 is a deficient number, since it is larger than the sum of its proper divisors (1).

2940287983 is an equidigital number, since it uses as much as digits as its factorization.

2940287983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1741824, while the sum is 52.

The square root of 2940287983 is about 54224.4223851209. The cubic root of 2940287983 is about 1432.6165248308.

The spelling of 2940287983 in words is "two billion, nine hundred forty million, two hundred eighty-seven thousand, nine hundred eighty-three".