2951244684691 has 2 divisors, whose sum is σ = 2951244684692. Its totient is φ = 2951244684690.

The previous prime is 2951244684683. The next prime is 2951244684811. The reversal of 2951244684691 is 1964864421592.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2951244684691 - 2³ = 2951244684683 is a prime.

It is not a weakly prime, because it can be changed into another prime (2951244681691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1475622342345 + 1475622342346.

It is an arithmetic number, because the mean of its divisors is an integer number (1475622342346).

Almost surely, 2^{2951244684691} is an apocalyptic number.

2951244684691 is a deficient number, since it is larger than the sum of its proper divisors (1).

2951244684691 is an equidigital number, since it uses as much as digits as its factorization.

2951244684691 is an evil number, because the sum of its binary digits is even.

The product of its digits is 29859840, while the sum is 61.

The spelling of 2951244684691 in words is "two trillion, nine hundred fifty-one billion, two hundred forty-four million, six hundred eighty-four thousand, six hundred ninety-one".