25983429431 has 8 divisors (see below), whose sum is σ = 26427018960. Its totient is φ = 25539946432.

The previous prime is 25983429401. The next prime is 25983429533. The reversal of 25983429431 is 13492438952.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25983429431 - 2¹⁰ = 25983428407 is a prime.

It is a super-2 number, since 2×25983429431² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25983429431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25983429401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 583451 + ... + 626403.

It is an arithmetic number, because the mean of its divisors is an integer number (3303377370).

Almost surely, 2^25983429431 is an apocalyptic number.

25983429431 is a deficient number, since it is larger than the sum of its proper divisors (443589529).

25983429431 is a wasteful number, since it uses less digits than its factorization.

25983429431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53265.

The product of its digits is 1866240, while the sum is 50.

The spelling of 25983429431 in words is "twenty-five billion, nine hundred eighty-three million, four hundred twenty-nine thousand, four hundred thirty-one".