17379393749 has 2 divisors, whose sum is σ = 17379393750. Its totient is φ = 17379393748.

The previous prime is 17379393701. The next prime is 17379393761. The reversal of 17379393749 is 94739397371.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16295799025 + 1083594724 = 127655^2 + 32918^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-17379393749 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 17379393691 and 17379393700.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17379393049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8689696874 + 8689696875.

It is an arithmetic number, because the mean of its divisors is an integer number (8689696875).

Almost surely, 2^17379393749 is an apocalyptic number.

It is an amenable number.

17379393749 is a deficient number, since it is larger than the sum of its proper divisors (1).

17379393749 is an equidigital number, since it uses as much as digits as its factorization.

17379393749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27005076, while the sum is 62.

The spelling of 17379393749 in words is "seventeen billion, three hundred seventy-nine million, three hundred ninety-three thousand, seven hundred forty-nine".