377713763321 has 2 divisors, whose sum is σ = 377713763322. Its totient is φ = 377713763320.

The previous prime is 377713763267. The next prime is 377713763411. The reversal of 377713763321 is 123367317773.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 241312807696 + 136400955625 = 491236^2 + 369325^2 .

It is a cyclic number.

It is not a de Polignac number, because 377713763321 - 2¹⁸ = 377713501177 is a prime.

It is a super-2 number, since 2×377713763321² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 377713763321.

It is not a weakly prime, because it can be changed into another prime (377713768321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 188856881660 + 188856881661.

It is an arithmetic number, because the mean of its divisors is an integer number (188856881661).

Almost surely, 2^377713763321 is an apocalyptic number.

It is an amenable number.

377713763321 is a deficient number, since it is larger than the sum of its proper divisors (1).

377713763321 is an equidigital number, since it uses as much as digits as its factorization.

377713763321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2333772, while the sum is 50.

The spelling of 377713763321 in words is "three hundred seventy-seven billion, seven hundred thirteen million, seven hundred sixty-three thousand, three hundred twenty-one".