380539760621 has 2 divisors, whose sum is σ = 380539760622. Its totient is φ = 380539760620.

The previous prime is 380539760603. The next prime is 380539760641. The reversal of 380539760621 is 126067935083.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 317741906596 + 62797854025 = 563686^2 + 250595^2 .

It is an emirp because it is prime and its reverse (126067935083) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 380539760621 - 2³⁰ = 379466018797 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 380539760621.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (380539760641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190269880310 + 190269880311.

It is an arithmetic number, because the mean of its divisors is an integer number (190269880311).

Almost surely, 2^380539760621 is an apocalyptic number.

It is an amenable number.

380539760621 is a deficient number, since it is larger than the sum of its proper divisors (1).

380539760621 is an equidigital number, since it uses as much as digits as its factorization.

380539760621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1632960, while the sum is 50.

The spelling of 380539760621 in words is "three hundred eighty billion, five hundred thirty-nine million, seven hundred sixty thousand, six hundred twenty-one".