1315402469 has 2 divisors, whose sum is σ = 1315402470. Its totient is φ = 1315402468.

The previous prime is 1315402457. The next prime is 1315402481. The reversal of 1315402469 is 9642045131.

It is a balanced prime because it is at equal distance from previous prime (1315402457) and next prime (1315402481).

It can be written as a sum of positive squares in only one way, i.e., 1293265444 + 22137025 = 35962^2 + 4705^2 .

It is an emirp because it is prime and its reverse (9642045131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1315402469 - 2²⁴ = 1298625253 is a prime.

It is a super-2 number, since 2×1315402469² = 3460567310902591922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1315402409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 657701234 + 657701235.

It is an arithmetic number, because the mean of its divisors is an integer number (657701235).

Almost surely, 2^1315402469 is an apocalyptic number.

It is an amenable number.

1315402469 is a deficient number, since it is larger than the sum of its proper divisors (1).

1315402469 is an equidigital number, since it uses as much as digits as its factorization.

1315402469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 1315402469 is about 36268.4776217585. The cubic root of 1315402469 is about 1095.6862649721.

The spelling of 1315402469 in words is "one billion, three hundred fifteen million, four hundred two thousand, four hundred sixty-nine".