17713961401 has 2 divisors, whose sum is σ = 17713961402. Its totient is φ = 17713961400.

The previous prime is 17713961357. The next prime is 17713961429. The reversal of 17713961401 is 10416931771.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16097519376 + 1616442025 = 126876^2 + 40205^2 .

It is a cyclic number.

It is not a de Polignac number, because 17713961401 - 2⁷ = 17713961273 is a prime.

It is a super-2 number, since 2×17713961401² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (17713961431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8856980700 + 8856980701.

It is an arithmetic number, because the mean of its divisors is an integer number (8856980701).

Almost surely, 2^17713961401 is an apocalyptic number.

It is an amenable number.

17713961401 is a deficient number, since it is larger than the sum of its proper divisors (1).

17713961401 is an equidigital number, since it uses as much as digits as its factorization.

17713961401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31752, while the sum is 40.

The spelling of 17713961401 in words is "seventeen billion, seven hundred thirteen million, nine hundred sixty-one thousand, four hundred one".