99402936961 has 2 divisors, whose sum is σ = 99402936962. Its totient is φ = 99402936960.

The previous prime is 99402936907. The next prime is 99402936967. The reversal of 99402936961 is 16963920499.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75889781361 + 23513155600 = 275481^2 + 153340^2 .

It is a cyclic number.

It is not a de Polignac number, because 99402936961 - 2¹³ = 99402928769 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 99402936896 and 99402936905.

It is not a weakly prime, because it can be changed into another prime (99402936967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49701468480 + 49701468481.

It is an arithmetic number, because the mean of its divisors is an integer number (49701468481).

Almost surely, 2^99402936961 is an apocalyptic number.

It is an amenable number.

99402936961 is a deficient number, since it is larger than the sum of its proper divisors (1).

99402936961 is an equidigital number, since it uses as much as digits as its factorization.

99402936961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5668704, while the sum is 58.

The spelling of 99402936961 in words is "ninety-nine billion, four hundred two million, nine hundred thirty-six thousand, nine hundred sixty-one".