1234736736913 has 2 divisors, whose sum is σ = 1234736736914. Its totient is φ = 1234736736912.

The previous prime is 1234736736833. The next prime is 1234736736943. The reversal of 1234736736913 is 3196376374321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 980955546624 + 253781190289 = 990432^2 + 503767^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1234736736913 is a prime.

It is not a weakly prime, because it can be changed into another prime (1234736736943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 617368368456 + 617368368457.

It is an arithmetic number, because the mean of its divisors is an integer number (617368368457).

Almost surely, 2^{1234736736913} is an apocalyptic number.

It is an amenable number.

1234736736913 is a deficient number, since it is larger than the sum of its proper divisors (1).

1234736736913 is an equidigital number, since it uses as much as digits as its factorization.

1234736736913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10287648, while the sum is 55.

The spelling of 1234736736913 in words is "one trillion, two hundred thirty-four billion, seven hundred thirty-six million, seven hundred thirty-six thousand, nine hundred thirteen".