2642880952381 has 2 divisors, whose sum is σ = 2642880952382. Its totient is φ = 2642880952380.

The previous prime is 2642880952357. The next prime is 2642880952421. The reversal of 2642880952381 is 1832590882462.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1478877320281 + 1164003632100 = 1216091^2 + 1078890^2 .

It is a cyclic number.

It is not a de Polignac number, because 2642880952381 - 2²⁹ = 2642344081469 is a prime.

It is a super-2 number, since 2×2642880952381² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2642880952981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1321440476190 + 1321440476191.

It is an arithmetic number, because the mean of its divisors is an integer number (1321440476191).

Almost surely, 2^{2642880952381} is an apocalyptic number.

It is an amenable number.

2642880952381 is a deficient number, since it is larger than the sum of its proper divisors (1).

2642880952381 is an equidigital number, since it uses as much as digits as its factorization.

2642880952381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13271040, while the sum is 58.

The spelling of 2642880952381 in words is "two trillion, six hundred forty-two billion, eight hundred eighty million, nine hundred fifty-two thousand, three hundred eighty-one".