1371709453 has 2 divisors, whose sum is σ = 1371709454. Its totient is φ = 1371709452.

The previous prime is 1371709441. The next prime is 1371709499. The reversal of 1371709453 is 3549071731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1206381289 + 165328164 = 34733^2 + 12858^2 .

It is a cyclic number.

It is not a de Polignac number, because 1371709453 - 2¹⁷ = 1371578381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1371709553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 685854726 + 685854727.

It is an arithmetic number, because the mean of its divisors is an integer number (685854727).

Almost surely, 2^1371709453 is an apocalyptic number.

It is an amenable number.

1371709453 is a deficient number, since it is larger than the sum of its proper divisors (1).

1371709453 is an equidigital number, since it uses as much as digits as its factorization.

1371709453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 79380, while the sum is 40.

The square root of 1371709453 is about 37036.5961313941. The cubic root of 1371709453 is about 1111.1022929808.

The spelling of 1371709453 in words is "one billion, three hundred seventy-one million, seven hundred nine thousand, four hundred fifty-three".