25954698059 has 4 divisors (see below), whose sum is σ = 27083163216. Its totient is φ = 24826232904.

The previous prime is 25954698001. The next prime is 25954698061. The reversal of 25954698059 is 95089645952.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25954698059 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25954697992 and 25954698010.

It is not an unprimeable number, because it can be changed into a prime (25954698859) 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, 564232544 + ... + 564232589.

It is an arithmetic number, because the mean of its divisors is an integer number (6770790804).

Almost surely, 2^25954698059 is an apocalyptic number.

25954698059 is a deficient number, since it is larger than the sum of its proper divisors (1128465157).

25954698059 is a wasteful number, since it uses less digits than its factorization.

25954698059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1128465156.

The product of its (nonzero) digits is 34992000, while the sum is 62.

The spelling of 25954698059 in words is "twenty-five billion, nine hundred fifty-four million, six hundred ninety-eight thousand, fifty-nine".