2569972687 has 2 divisors, whose sum is σ = 2569972688. Its totient is φ = 2569972686.

The previous prime is 2569972579. The next prime is 2569972693. The reversal of 2569972687 is 7862799652.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2569972687 is a prime.

It is a super-2 number, since 2×2569972687² = 13209519223851999938, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2569972487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1284986343 + 1284986344.

It is an arithmetic number, because the mean of its divisors is an integer number (1284986344).

Almost surely, 2^2569972687 is an apocalyptic number.

2569972687 is a deficient number, since it is larger than the sum of its proper divisors (1).

2569972687 is an equidigital number, since it uses as much as digits as its factorization.

2569972687 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22861440, while the sum is 61.

The square root of 2569972687 is about 50694.8980371792. The cubic root of 2569972687 is about 1369.7548155541.

The spelling of 2569972687 in words is "two billion, five hundred sixty-nine million, nine hundred seventy-two thousand, six hundred eighty-seven".