17213702401 has 9 divisors (see below), whose sum is σ = 20025171201. Its totient is φ = 14753814852.

The previous prime is 17213702357. The next prime is 17213702411. The reversal of 17213702401 is 10420731271.

The square root of 17213702401 is 131201.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 17213702401 - 2¹³ = 17213694209 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 17213702401.

It is not an unprimeable number, because it can be changed into a prime (17213702411) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 909036 + ... + 927778.

Almost surely, 2^17213702401 is an apocalyptic number.

17213702401 is the 131201-st square number.

17213702401 is the 65601-st centered octagonal number.

It is an amenable number.

17213702401 is a deficient number, since it is larger than the sum of its proper divisors (2811468800).

17213702401 is an frugal number, since it uses more digits than its factorization.

17213702401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37500 (or 18750 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 28.

The spelling of 17213702401 in words is "seventeen billion, two hundred thirteen million, seven hundred two thousand, four hundred one".