25751081679 has 4 divisors (see below), whose sum is σ = 34334775576. Its totient is φ = 17167387784.

The previous prime is 25751081669. The next prime is 25751081689. The reversal of 25751081679 is 97618015752.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (25751081669) and next prime (25751081689).

It is a cyclic number.

It is not a de Polignac number, because 25751081679 - 2¹⁶ = 25751016143 is a prime.

It is a super-3 number, since 3×25751081679³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25751081669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4291846944 + ... + 4291846949.

It is an arithmetic number, because the mean of its divisors is an integer number (8583693894).

Almost surely, 2^25751081679 is an apocalyptic number.

25751081679 is a deficient number, since it is larger than the sum of its proper divisors (8583693897).

25751081679 is an equidigital number, since it uses as much as digits as its factorization.

25751081679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8583693896.

The product of its (nonzero) digits is 1058400, while the sum is 51.

The spelling of 25751081679 in words is "twenty-five billion, seven hundred fifty-one million, eighty-one thousand, six hundred seventy-nine".