999962694791 has 2 divisors, whose sum is σ = 999962694792. Its totient is φ = 999962694790.

The previous prime is 999962694781. The next prime is 999962694859. The reversal of 999962694791 is 197496269999.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 999962694791 - 2³⁰ = 998888952967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (999962694781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499981347395 + 499981347396.

It is an arithmetic number, because the mean of its divisors is an integer number (499981347396).

Almost surely, 2^999962694791 is an apocalyptic number.

999962694791 is a deficient number, since it is larger than the sum of its proper divisors (1).

999962694791 is an equidigital number, since it uses as much as digits as its factorization.

999962694791 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1071385056, while the sum is 80.

The spelling of 999962694791 in words is "nine hundred ninety-nine billion, nine hundred sixty-two million, six hundred ninety-four thousand, seven hundred ninety-one".