381702292025 has 6 divisors (see below), whose sum is σ = 473310842142. Its totient is φ = 305361833600.

The previous prime is 381702292009. The next prime is 381702292043. The reversal of 381702292025 is 520292207183.

It can be written as a sum of positive squares in 3 ways, for example, as 134427822736 + 247274469289 = 366644^2 + 497267^2 .

It is not a de Polignac number, because 381702292025 - 2⁴ = 381702292009 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7634045816 + ... + 7634045865.

It is an arithmetic number, because the mean of its divisors is an integer number (78885140357).

Almost surely, 2^381702292025 is an apocalyptic number.

It is an amenable number.

381702292025 is a deficient number, since it is larger than the sum of its proper divisors (91608550117).

381702292025 is a wasteful number, since it uses less digits than its factorization.

381702292025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15268091691 (or 15268091686 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 41.

The spelling of 381702292025 in words is "three hundred eighty-one billion, seven hundred two million, two hundred ninety-two thousand, twenty-five".