25069397071 has 2 divisors, whose sum is σ = 25069397072. Its totient is φ = 25069397070.

The previous prime is 25069397053. The next prime is 25069397113. The reversal of 25069397071 is 17079396052.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25069397071 - 2⁵ = 25069397039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25069397011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12534698535 + 12534698536.

It is an arithmetic number, because the mean of its divisors is an integer number (12534698536).

Almost surely, 2^25069397071 is an apocalyptic number.

25069397071 is a deficient number, since it is larger than the sum of its proper divisors (1).

25069397071 is an equidigital number, since it uses as much as digits as its factorization.

25069397071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 714420, while the sum is 49.

The spelling of 25069397071 in words is "twenty-five billion, sixty-nine million, three hundred ninety-seven thousand, seventy-one".