99634291283 has 2 divisors, whose sum is σ = 99634291284. Its totient is φ = 99634291282.

The previous prime is 99634291241. The next prime is 99634291297. The reversal of 99634291283 is 38219243699.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 99634291283 - 2¹⁸ = 99634029139 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (99634291213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49817145641 + 49817145642.

It is an arithmetic number, because the mean of its divisors is an integer number (49817145642).

Almost surely, 2^99634291283 is an apocalyptic number.

99634291283 is a deficient number, since it is larger than the sum of its proper divisors (1).

99634291283 is an equidigital number, since it uses as much as digits as its factorization.

99634291283 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5038848, while the sum is 56.

The spelling of 99634291283 in words is "ninety-nine billion, six hundred thirty-four million, two hundred ninety-one thousand, two hundred eighty-three".