615862383361 has 9 divisors (see below), whose sum is σ = 637854885993. Its totient is φ = 594603775920.

The previous prime is 615862383341. The next prime is 615862383403. The reversal of 615862383361 is 163383268516.

The square root of 615862383361 is 784769.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 96367405761 + 519494977600 = 310431^2 + 720760^2 .

It is not a de Polignac number, because 615862383361 - 2⁷ = 615862383233 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 615862383299 and 615862383308.

It is not an unprimeable number, because it can be changed into a prime (615862383341) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 22744771 + ... + 22771831.

Almost surely, 2^615862383361 is an apocalyptic number.

615862383361 is the 784769-th square number.

615862383361 is the 392385-th centered octagonal number.

It is an amenable number.

615862383361 is a deficient number, since it is larger than the sum of its proper divisors (21992502632).

615862383361 is an frugal number, since it uses more digits than its factorization.

615862383361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54180 (or 27090 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 52.

The spelling of 615862383361 in words is "six hundred fifteen billion, eight hundred sixty-two million, three hundred eighty-three thousand, three hundred sixty-one".