2972866511 has 2 divisors, whose sum is σ = 2972866512. Its totient is φ = 2972866510.

The previous prime is 2972866487. The next prime is 2972866577. The reversal of 2972866511 is 1156682792.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2972866511 - 2¹⁸ = 2972604367 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2972866591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1486433255 + 1486433256.

It is an arithmetic number, because the mean of its divisors is an integer number (1486433256).

Almost surely, 2^2972866511 is an apocalyptic number.

2972866511 is a deficient number, since it is larger than the sum of its proper divisors (1).

2972866511 is an equidigital number, since it uses as much as digits as its factorization.

2972866511 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 47.

The square root of 2972866511 is about 54523.9994039322. Note that the first 3 decimals coincide. The cubic root of 2972866511 is about 1437.8882548091. Note that the first 3 decimals are identical.

The spelling of 2972866511 in words is "two billion, nine hundred seventy-two million, eight hundred sixty-six thousand, five hundred eleven".