2693807677391 has 2 divisors, whose sum is σ = 2693807677392. Its totient is φ = 2693807677390.

The previous prime is 2693807677373. The next prime is 2693807677471. The reversal of 2693807677391 is 1937767083962.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2693807677391 - 2³⁸ = 2418929770447 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2693807677291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1346903838695 + 1346903838696.

It is an arithmetic number, because the mean of its divisors is an integer number (1346903838696).

Almost surely, 2^{2693807677391} is an apocalyptic number.

2693807677391 is a deficient number, since it is larger than the sum of its proper divisors (1).

2693807677391 is an equidigital number, since it uses as much as digits as its factorization.

2693807677391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144027072, while the sum is 68.

The spelling of 2693807677391 in words is "two trillion, six hundred ninety-three billion, eight hundred seven million, six hundred seventy-seven thousand, three hundred ninety-one".