1290929215627 has 2 divisors, whose sum is σ = 1290929215628. Its totient is φ = 1290929215626.

The previous prime is 1290929215619. The next prime is 1290929215633. The reversal of 1290929215627 is 7265129290921.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1290929215627 - 2³ = 1290929215619 is a prime.

It is a super-2 number, since 2×1290929215627² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1290929215127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 645464607813 + 645464607814.

It is an arithmetic number, because the mean of its divisors is an integer number (645464607814).

Almost surely, 2^{1290929215627} is an apocalyptic number.

1290929215627 is a deficient number, since it is larger than the sum of its proper divisors (1).

1290929215627 is an equidigital number, since it uses as much as digits as its factorization.

1290929215627 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2449440, while the sum is 55.

The spelling of 1290929215627 in words is "one trillion, two hundred ninety billion, nine hundred twenty-nine million, two hundred fifteen thousand, six hundred twenty-seven".