1376775097 has 2 divisors, whose sum is σ = 1376775098. Its totient is φ = 1376775096.

The previous prime is 1376775077. The next prime is 1376775149. The reversal of 1376775097 is 7905776731.

It is an a-pointer prime, because the next prime (1376775149) can be obtained adding 1376775097 to its sum of digits (52).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1012576041 + 364199056 = 31821^2 + 19084^2 .

It is a cyclic number.

It is not a de Polignac number, because 1376775097 - 2¹⁵ = 1376742329 is a prime.

It is not a weakly prime, because it can be changed into another prime (1376775047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 688387548 + 688387549.

It is an arithmetic number, because the mean of its divisors is an integer number (688387549).

Almost surely, 2^1376775097 is an apocalyptic number.

It is an amenable number.

1376775097 is a deficient number, since it is larger than the sum of its proper divisors (1).

1376775097 is an equidigital number, since it uses as much as digits as its factorization.

1376775097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944810, while the sum is 52.

The square root of 1376775097 is about 37104.9201184964. The cubic root of 1376775097 is about 1112.4683583476.

The spelling of 1376775097 in words is "one billion, three hundred seventy-six million, seven hundred seventy-five thousand, ninety-seven".