2709048670457 has 2 divisors, whose sum is σ = 2709048670458. Its totient is φ = 2709048670456.

The previous prime is 2709048670451. The next prime is 2709048670477. The reversal of 2709048670457 is 7540768409072.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2008084550761 + 700964119696 = 1417069^2 + 837236^2 .

It is a cyclic number.

It is not a de Polignac number, because 2709048670457 - 2²² = 2709044476153 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2709048670396 and 2709048670405.

It is not a weakly prime, because it can be changed into another prime (2709048670451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1354524335228 + 1354524335229.

It is an arithmetic number, because the mean of its divisors is an integer number (1354524335229).

Almost surely, 2^{2709048670457} is an apocalyptic number.

It is an amenable number.

2709048670457 is a deficient number, since it is larger than the sum of its proper divisors (1).

2709048670457 is an equidigital number, since it uses as much as digits as its factorization.

2709048670457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23708160, while the sum is 59.

The spelling of 2709048670457 in words is "two trillion, seven hundred nine billion, forty-eight million, six hundred seventy thousand, four hundred fifty-seven".