5425661465 has 32 divisors (see below), whose sum is σ = 7637068800. Its totient is φ = 3698745792.

The previous prime is 5425661459. The next prime is 5425661473. The reversal of 5425661465 is 5641665245.

It is not a de Polignac number, because 5425661465 - 2²⁰ = 5424612889 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 287552 + ... + 305838.

It is an arithmetic number, because the mean of its divisors is an integer number (238658400).

Almost surely, 2^5425661465 is an apocalyptic number.

It is an amenable number.

5425661465 is a deficient number, since it is larger than the sum of its proper divisors (2211407335).

5425661465 is a wasteful number, since it uses less digits than its factorization.

5425661465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18486 (or 18472 counting only the distinct ones).

The product of its digits is 864000, while the sum is 44.

The square root of 5425661465 is about 73659.0894934223. The cubic root of 5425661465 is about 1757.1853108462.

The spelling of 5425661465 in words is "five billion, four hundred twenty-five million, six hundred sixty-one thousand, four hundred sixty-five".