377410346681 has 2 divisors, whose sum is σ = 377410346682. Its totient is φ = 377410346680.

The previous prime is 377410346671. The next prime is 377410346711. The reversal of 377410346681 is 186643014773.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 200779271056 + 176631075625 = 448084^2 + 420275^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-377410346681 is a prime.

It is a super-2 number, since 2×377410346681² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (377410346671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 188705173340 + 188705173341.

It is an arithmetic number, because the mean of its divisors is an integer number (188705173341).

Almost surely, 2^377410346681 is an apocalyptic number.

It is an amenable number.

377410346681 is a deficient number, since it is larger than the sum of its proper divisors (1).

377410346681 is an equidigital number, since it uses as much as digits as its factorization.

377410346681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2032128, while the sum is 50.

The spelling of 377410346681 in words is "three hundred seventy-seven billion, four hundred ten million, three hundred forty-six thousand, six hundred eighty-one".