11634835493 has 2 divisors, whose sum is σ = 11634835494. Its totient is φ = 11634835492.

The previous prime is 11634835489. The next prime is 11634835523. The reversal of 11634835493 is 39453843611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8932707169 + 2702128324 = 94513^2 + 51982^2 .

It is a cyclic number.

It is not a de Polignac number, because 11634835493 - 2² = 11634835489 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11634835403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5817417746 + 5817417747.

It is an arithmetic number, because the mean of its divisors is an integer number (5817417747).

Almost surely, 2^11634835493 is an apocalyptic number.

It is an amenable number.

11634835493 is a deficient number, since it is larger than the sum of its proper divisors (1).

11634835493 is an equidigital number, since it uses as much as digits as its factorization.

11634835493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 933120, while the sum is 47.

The spelling of 11634835493 in words is "eleven billion, six hundred thirty-four million, eight hundred thirty-five thousand, four hundred ninety-three".