1117479343649 has 2 divisors, whose sum is σ = 1117479343650. Its totient is φ = 1117479343648.

The previous prime is 1117479343633. The next prime is 1117479343727. The reversal of 1117479343649 is 9463439747111.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1111390350625 + 6088993024 = 1054225^2 + 78032^2 .

It is a cyclic number.

It is not a de Polignac number, because 1117479343649 - 2⁴ = 1117479343633 is a prime.

It is not a weakly prime, because it can be changed into another prime (1117479343049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 558739671824 + 558739671825.

It is an arithmetic number, because the mean of its divisors is an integer number (558739671825).

Almost surely, 2^{1117479343649} is an apocalyptic number.

It is an amenable number.

1117479343649 is a deficient number, since it is larger than the sum of its proper divisors (1).

1117479343649 is an equidigital number, since it uses as much as digits as its factorization.

1117479343649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13716864, while the sum is 59.

The spelling of 1117479343649 in words is "one trillion, one hundred seventeen billion, four hundred seventy-nine million, three hundred forty-three thousand, six hundred forty-nine".