9613997633 has 2 divisors, whose sum is σ = 9613997634. Its totient is φ = 9613997632.

The previous prime is 9613997557. The next prime is 9613997639. The reversal of 9613997633 is 3367993169.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9268297984 + 345699649 = 96272^2 + 18593^2 .

It is a cyclic number.

It is not a de Polignac number, because 9613997633 - 2¹⁸ = 9613735489 is a prime.

It is not a weakly prime, because it can be changed into another prime (9613997639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4806998816 + 4806998817.

It is an arithmetic number, because the mean of its divisors is an integer number (4806998817).

Almost surely, 2^9613997633 is an apocalyptic number.

It is an amenable number.

9613997633 is a deficient number, since it is larger than the sum of its proper divisors (1).

9613997633 is an equidigital number, since it uses as much as digits as its factorization.

9613997633 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4960116, while the sum is 56.

The square root of 9613997633 is about 98050.9950637932. The cubic root of 9613997633 is about 2126.3496023214.

The spelling of 9613997633 in words is "nine billion, six hundred thirteen million, nine hundred ninety-seven thousand, six hundred thirty-three".