1373863607 has 2 divisors, whose sum is σ = 1373863608. Its totient is φ = 1373863606.

The previous prime is 1373863591. The next prime is 1373863637. The reversal of 1373863607 is 7063683731.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1373863607 - 2⁴ = 1373863591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1373863637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 686931803 + 686931804.

It is an arithmetic number, because the mean of its divisors is an integer number (686931804).

Almost surely, 2^1373863607 is an apocalyptic number.

1373863607 is a deficient number, since it is larger than the sum of its proper divisors (1).

1373863607 is an equidigital number, since it uses as much as digits as its factorization.

1373863607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 381024, while the sum is 44.

The square root of 1373863607 is about 37065.6661480675. Note that the first 3 decimals coincide. The cubic root of 1373863607 is about 1111.6836195907.

The spelling of 1373863607 in words is "one billion, three hundred seventy-three million, eight hundred sixty-three thousand, six hundred seven".