8469425391 has 32 divisors (see below), whose sum is σ = 13232636928. Its totient is φ = 4717320960.

The previous prime is 8469425353. The next prime is 8469425399. The reversal of 8469425391 is 1935249648.

8469425391 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8469425391 - 2¹⁰ = 8469424367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8469425399) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1095646 + ... + 1103348.

It is an arithmetic number, because the mean of its divisors is an integer number (413519904).

Almost surely, 2^8469425391 is an apocalyptic number.

8469425391 is a deficient number, since it is larger than the sum of its proper divisors (4763211537).

8469425391 is a wasteful number, since it uses less digits than its factorization.

8469425391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9031.

The product of its digits is 1866240, while the sum is 51.

The square root of 8469425391 is about 92029.4810970919. The cubic root of 8469425391 is about 2038.3776502078.

The spelling of 8469425391 in words is "eight billion, four hundred sixty-nine million, four hundred twenty-five thousand, three hundred ninety-one".