25290720467 has 2 divisors, whose sum is σ = 25290720468. Its totient is φ = 25290720466.

The previous prime is 25290720451. The next prime is 25290720493. The reversal of 25290720467 is 76402709252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25290720467 - 2⁴ = 25290720451 is a prime.

It is not a weakly prime, because it can be changed into another prime (25290723467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12645360233 + 12645360234.

It is an arithmetic number, because the mean of its divisors is an integer number (12645360234).

Almost surely, 2^25290720467 is an apocalyptic number.

25290720467 is a deficient number, since it is larger than the sum of its proper divisors (1).

25290720467 is an equidigital number, since it uses as much as digits as its factorization.

25290720467 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 423360, while the sum is 44.

The spelling of 25290720467 in words is "twenty-five billion, two hundred ninety million, seven hundred twenty thousand, four hundred sixty-seven".