383840247625 has 8 divisors (see below), whose sum is σ = 479032629192. Its totient is φ = 307072198000.

The previous prime is 383840247607. The next prime is 383840247671. The reversal of 383840247625 is 526742048383.

It can be written as a sum of positive squares in 4 ways, for example, as 17592573769 + 366247673856 = 132637^2 + 605184^2 .

It is not a de Polignac number, because 383840247625 - 2¹⁷ = 383840116553 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1535360866 + ... + 1535361115.

It is an arithmetic number, because the mean of its divisors is an integer number (59879078649).

Almost surely, 2^383840247625 is an apocalyptic number.

It is an amenable number.

383840247625 is a deficient number, since it is larger than the sum of its proper divisors (95192381567).

383840247625 is an equidigital number, since it uses as much as digits as its factorization.

383840247625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3070721996 (or 3070721986 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 52.

The spelling of 383840247625 in words is "three hundred eighty-three billion, eight hundred forty million, two hundred forty-seven thousand, six hundred twenty-five".