961992057619 has 2 divisors, whose sum is σ = 961992057620. Its totient is φ = 961992057618.

The previous prime is 961992057583. The next prime is 961992057623. The reversal of 961992057619 is 916750299169.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 961992057619 - 2⁹ = 961992057107 is a prime.

It is a super-2 number, since 2×961992057619² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (961992007619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 480996028809 + 480996028810.

It is an arithmetic number, because the mean of its divisors is an integer number (480996028810).

Almost surely, 2^961992057619 is an apocalyptic number.

961992057619 is a deficient number, since it is larger than the sum of its proper divisors (1).

961992057619 is an equidigital number, since it uses as much as digits as its factorization.

961992057619 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16533720, while the sum is 64.

The spelling of 961992057619 in words is "nine hundred sixty-one billion, nine hundred ninety-two million, fifty-seven thousand, six hundred nineteen".