1377081353 has 2 divisors, whose sum is σ = 1377081354. Its totient is φ = 1377081352.

The previous prime is 1377081331. The next prime is 1377081359. The reversal of 1377081353 is 3531807731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 861246409 + 515834944 = 29347^2 + 22712^2 .

It is a cyclic number.

It is not a de Polignac number, because 1377081353 - 2⁶ = 1377081289 is a prime.

It is not a weakly prime, because it can be changed into another prime (1377081359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 688540676 + 688540677.

It is an arithmetic number, because the mean of its divisors is an integer number (688540677).

Almost surely, 2^1377081353 is an apocalyptic number.

It is an amenable number.

1377081353 is a deficient number, since it is larger than the sum of its proper divisors (1).

1377081353 is an equidigital number, since it uses as much as digits as its factorization.

1377081353 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52920, while the sum is 38.

The square root of 1377081353 is about 37109.0467810748. The cubic root of 1377081353 is about 1112.5508397084.

The spelling of 1377081353 in words is "one billion, three hundred seventy-seven million, eighty-one thousand, three hundred fifty-three".