1319747576461 has 2 divisors, whose sum is σ = 1319747576462. Its totient is φ = 1319747576460.

The previous prime is 1319747576437. The next prime is 1319747576467. The reversal of 1319747576461 is 1646757479131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 682616354436 + 637131222025 = 826206^2 + 798205^2 .

It is a cyclic number.

It is not a de Polignac number, because 1319747576461 - 2⁷ = 1319747576333 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1319747576461.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1319747576467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 659873788230 + 659873788231.

It is an arithmetic number, because the mean of its divisors is an integer number (659873788231).

Almost surely, 2^{1319747576461} is an apocalyptic number.

It is an amenable number.

1319747576461 is a deficient number, since it is larger than the sum of its proper divisors (1).

1319747576461 is an equidigital number, since it uses as much as digits as its factorization.

1319747576461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26671680, while the sum is 61.

The spelling of 1319747576461 in words is "one trillion, three hundred nineteen billion, seven hundred forty-seven million, five hundred seventy-six thousand, four hundred sixty-one".