25957723180469 has 4 divisors (see below), whose sum is σ = 26116973016096. Its totient is φ = 25798473344844.

The previous prime is 25957723180451. The next prime is 25957723180489. The reversal of 25957723180469 is 96408132775952.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 25957723180469 - 2³⁶ = 25889003703733 is a prime.

It is a super-2 number, since 2×25957723180469² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25957723180399 and 25957723180408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25957723180489) 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, 79624917569 + ... + 79624917894.

It is an arithmetic number, because the mean of its divisors is an integer number (6529243254024).

It is a 1-persistent number, because it is pandigital, but 2⋅25957723180469 = 51915446360938 is not.

Almost surely, 2^{25957723180469} is an apocalyptic number.

It is an amenable number.

25957723180469 is a deficient number, since it is larger than the sum of its proper divisors (159249835627).

25957723180469 is a wasteful number, since it uses less digits than its factorization.

25957723180469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159249835626.

The product of its (nonzero) digits is 228614400, while the sum is 68.

The spelling of 25957723180469 in words is "twenty-five trillion, nine hundred fifty-seven billion, seven hundred twenty-three million, one hundred eighty thousand, four hundred sixty-nine".