1427502074569 has 2 divisors, whose sum is σ = 1427502074570. Its totient is φ = 1427502074568.

The previous prime is 1427502074567. The next prime is 1427502074597. The reversal of 1427502074569 is 9654702057241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1264376558025 + 163125516544 = 1124445^2 + 403888^2 .

It is a cyclic number.

It is not a de Polignac number, because 1427502074569 - 2¹ = 1427502074567 is a prime.

It is a super-2 number, since 2×1427502074569² (a number of 25 digits) contains 22 as substring.

Together with 1427502074567, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1427502074567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 713751037284 + 713751037285.

It is an arithmetic number, because the mean of its divisors is an integer number (713751037285).

Almost surely, 2^{1427502074569} is an apocalyptic number.

It is an amenable number.

1427502074569 is a deficient number, since it is larger than the sum of its proper divisors (1).

1427502074569 is an equidigital number, since it uses as much as digits as its factorization.

1427502074569 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4233600, while the sum is 52.

The spelling of 1427502074569 in words is "one trillion, four hundred twenty-seven billion, five hundred two million, seventy-four thousand, five hundred sixty-nine".