1349679937 has 2 divisors, whose sum is σ = 1349679938. Its totient is φ = 1349679936.

The previous prime is 1349679913. The next prime is 1349679941. The reversal of 1349679937 is 7399769431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1345715856 + 3964081 = 36684^2 + 1991^2 .

It is a cyclic number.

It is not a de Polignac number, because 1349679937 - 2⁷ = 1349679809 is a prime.

It is not a weakly prime, because it can be changed into another prime (1349679637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 674839968 + 674839969.

It is an arithmetic number, because the mean of its divisors is an integer number (674839969).

Almost surely, 2^1349679937 is an apocalyptic number.

It is an amenable number.

1349679937 is a deficient number, since it is larger than the sum of its proper divisors (1).

1349679937 is an equidigital number, since it uses as much as digits as its factorization.

1349679937 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7715736, while the sum is 58.

The square root of 1349679937 is about 36737.9903778092. The cubic root of 1349679937 is about 1105.1221003055.

The spelling of 1349679937 in words is "one billion, three hundred forty-nine million, six hundred seventy-nine thousand, nine hundred thirty-seven".