25629064489 has 8 divisors (see below), whose sum is σ = 30831957440. Its totient is φ = 20811571056.

The previous prime is 25629064463. The next prime is 25629064529. The reversal of 25629064489 is 98446092652.

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

It is a cyclic number.

It is not a de Polignac number, because 25629064489 - 2⁷ = 25629064361 is a prime.

It is a super-2 number, since 2×25629064489² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25629064789) 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, 96349734 + ... + 96349999.

It is an arithmetic number, because the mean of its divisors is an integer number (3853994680).

Almost surely, 2^25629064489 is an apocalyptic number.

It is an amenable number.

25629064489 is a deficient number, since it is larger than the sum of its proper divisors (5202892951).

25629064489 is a wasteful number, since it uses less digits than its factorization.

25629064489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192699759.

The product of its (nonzero) digits is 7464960, while the sum is 55.

The spelling of 25629064489 in words is "twenty-five billion, six hundred twenty-nine million, sixty-four thousand, four hundred eighty-nine".