2481428465 has 12 divisors (see below), whose sum is σ = 3034974684. Its totient is φ = 1947676224.

The previous prime is 2481428459. The next prime is 2481428581. The reversal of 2481428465 is 5648241842.

It can be written as a sum of positive squares in 6 ways, for example, as 147282496 + 2334145969 = 12136^2 + 48313^2 .

It is not a de Polignac number, because 2481428465 - 2²⁸ = 2212993009 is a prime.

It is a super-3 number, since 3×2481428465³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74294 + ... + 102383.

It is an arithmetic number, because the mean of its divisors is an integer number (252914557).

Almost surely, 2^2481428465 is an apocalyptic number.

It is an amenable number.

2481428465 is a deficient number, since it is larger than the sum of its proper divisors (553546219).

2481428465 is an equidigital number, since it uses as much as digits as its factorization.

2481428465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176788 (or 176735 counting only the distinct ones).

The product of its digits is 491520, while the sum is 44.

The square root of 2481428465 is about 49813.9384610372. The cubic root of 2481428465 is about 1353.8397251500.

The spelling of 2481428465 in words is "two billion, four hundred eighty-one million, four hundred twenty-eight thousand, four hundred sixty-five".