1613373793 has 2 divisors, whose sum is σ = 1613373794. Its totient is φ = 1613373792.

The previous prime is 1613373761. The next prime is 1613373799. The reversal of 1613373793 is 3973733161.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1562779024 + 50594769 = 39532^2 + 7113^2 .

It is a cyclic number.

It is not a de Polignac number, because 1613373793 - 2⁵ = 1613373761 is a prime.

It is not a weakly prime, because it can be changed into another prime (1613373799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 806686896 + 806686897.

It is an arithmetic number, because the mean of its divisors is an integer number (806686897).

Almost surely, 2^1613373793 is an apocalyptic number.

It is an amenable number.

1613373793 is a deficient number, since it is larger than the sum of its proper divisors (1).

1613373793 is an equidigital number, since it uses as much as digits as its factorization.

1613373793 is an evil number, because the sum of its binary digits is even.

The product of its digits is 214326, while the sum is 43.

The square root of 1613373793 is about 40166.8245321932. The cubic root of 1613373793 is about 1172.8568249444.

The spelling of 1613373793 in words is "one billion, six hundred thirteen million, three hundred seventy-three thousand, seven hundred ninety-three".