260450253432491 has 2 divisors, whose sum is σ = 260450253432492. Its totient is φ = 260450253432490.

The previous prime is 260450253432349. The next prime is 260450253432559. The reversal of 260450253432491 is 194234352054062.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 260450253432491 - 2¹⁴ = 260450253416107 is a prime.

It is not a weakly prime, because it can be changed into another prime (260450253132491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130225126716245 + 130225126716246.

It is an arithmetic number, because the mean of its divisors is an integer number (130225126716246).

Almost surely, 2^{260450253432491} is an apocalyptic number.

260450253432491 is a deficient number, since it is larger than the sum of its proper divisors (1).

260450253432491 is an equidigital number, since it uses as much as digits as its factorization.

260450253432491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6220800, while the sum is 50.

The spelling of 260450253432491 in words is "two hundred sixty trillion, four hundred fifty billion, two hundred fifty-three million, four hundred thirty-two thousand, four hundred ninety-one".