1295900090647 has 2 divisors, whose sum is σ = 1295900090648. Its totient is φ = 1295900090646.

The previous prime is 1295900090627. The next prime is 1295900090699. The reversal of 1295900090647 is 7460900095921.

It is an a-pointer prime, because the next prime (1295900090699) can be obtained adding 1295900090647 to its sum of digits (52).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1295900090647 - 2¹⁹ = 1295899566359 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1295900090594 and 1295900090603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1295900090627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 647950045323 + 647950045324.

It is an arithmetic number, because the mean of its divisors is an integer number (647950045324).

Almost surely, 2^{1295900090647} is an apocalyptic number.

1295900090647 is a deficient number, since it is larger than the sum of its proper divisors (1).

1295900090647 is an equidigital number, since it uses as much as digits as its factorization.

1295900090647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1224720, while the sum is 52.

The spelling of 1295900090647 in words is "one trillion, two hundred ninety-five billion, nine hundred million, ninety thousand, six hundred forty-seven".