1371709499 has 2 divisors, whose sum is σ = 1371709500. Its totient is φ = 1371709498.

The previous prime is 1371709453. The next prime is 1371709529. The reversal of 1371709499 is 9949071731.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1371709499 is a prime.

It is not a weakly prime, because it can be changed into another prime (1371705499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 685854749 + 685854750.

It is an arithmetic number, because the mean of its divisors is an integer number (685854750).

Almost surely, 2^1371709499 is an apocalyptic number.

1371709499 is a deficient number, since it is larger than the sum of its proper divisors (1).

1371709499 is an equidigital number, since it uses as much as digits as its factorization.

1371709499 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 428652, while the sum is 50.

The square root of 1371709499 is about 37036.5967524015. The cubic root of 1371709499 is about 1111.1023054010.

The spelling of 1371709499 in words is "one billion, three hundred seventy-one million, seven hundred nine thousand, four hundred ninety-nine".