1373836427 has 2 divisors, whose sum is σ = 1373836428. Its totient is φ = 1373836426.

The previous prime is 1373836361. The next prime is 1373836469. The reversal of 1373836427 is 7246383731.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1373836427 - 2¹⁰ = 1373835403 is a prime.

It is not a weakly prime, because it can be changed into another prime (1373836027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 686918213 + 686918214.

It is an arithmetic number, because the mean of its divisors is an integer number (686918214).

Almost surely, 2^1373836427 is an apocalyptic number.

1373836427 is a deficient number, since it is larger than the sum of its proper divisors (1).

1373836427 is an equidigital number, since it uses as much as digits as its factorization.

1373836427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 508032, while the sum is 44.

The square root of 1373836427 is about 37065.2994996668. The cubic root of 1373836427 is about 1111.6762884991.

The spelling of 1373836427 in words is "one billion, three hundred seventy-three million, eight hundred thirty-six thousand, four hundred twenty-seven".