1372813349 has 2 divisors, whose sum is σ = 1372813350. Its totient is φ = 1372813348.

The previous prime is 1372813297. The next prime is 1372813363. The reversal of 1372813349 is 9433182731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 997422724 + 375390625 = 31582^2 + 19375^2 .

It is a cyclic number.

It is not a de Polignac number, because 1372813349 - 2¹⁶ = 1372747813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1372813649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 686406674 + 686406675.

It is an arithmetic number, because the mean of its divisors is an integer number (686406675).

Almost surely, 2^1372813349 is an apocalyptic number.

It is an amenable number.

1372813349 is a deficient number, since it is larger than the sum of its proper divisors (1).

1372813349 is an equidigital number, since it uses as much as digits as its factorization.

1372813349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 41.

The square root of 1372813349 is about 37051.4959077228. The cubic root of 1372813349 is about 1111.4002697128.

The spelling of 1372813349 in words is "one billion, three hundred seventy-two million, eight hundred thirteen thousand, three hundred forty-nine".