1373736373 has 2 divisors, whose sum is σ = 1373736374. Its totient is φ = 1373736372.

The previous prime is 1373736319. The next prime is 1373736383. The reversal of 1373736373 is 3736373731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1297296324 + 76440049 = 36018^2 + 8743^2 .

It is a cyclic number.

It is not a de Polignac number, because 1373736373 - 2²¹ = 1371639221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1373736313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 686868186 + 686868187.

It is an arithmetic number, because the mean of its divisors is an integer number (686868187).

Almost surely, 2^1373736373 is an apocalyptic number.

It is an amenable number.

1373736373 is a deficient number, since it is larger than the sum of its proper divisors (1).

1373736373 is an equidigital number, since it uses as much as digits as its factorization.

1373736373 is an evil number, because the sum of its binary digits is even.

The product of its digits is 500094, while the sum is 43.

The square root of 1373736373 is about 37063.9497760290. The cubic root of 1373736373 is about 1111.6493007254.

The spelling of 1373736373 in words is "one billion, three hundred seventy-three million, seven hundred thirty-six thousand, three hundred seventy-three".