25690489033 has 8 divisors (see below), whose sum is σ = 28053776160. Its totient is φ = 23331833280.

The previous prime is 25690489031. The next prime is 25690489051. The reversal of 25690489033 is 33098409652.

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 25690489033 - 2¹ = 25690489031 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25690489031) 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, 1146235 + ... + 1168432.

It is an arithmetic number, because the mean of its divisors is an integer number (3506722020).

Almost surely, 2^25690489033 is an apocalyptic number.

It is an amenable number.

25690489033 is a deficient number, since it is larger than the sum of its proper divisors (2363287127).

25690489033 is a wasteful number, since it uses less digits than its factorization.

25690489033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2315687.

The product of its (nonzero) digits is 1399680, while the sum is 49.

The spelling of 25690489033 in words is "twenty-five billion, six hundred ninety million, four hundred eighty-nine thousand, thirty-three".