17948430053 has 2 divisors, whose sum is σ = 17948430054. Its totient is φ = 17948430052.

The previous prime is 17948430041. The next prime is 17948430089. The reversal of 17948430053 is 35003484971.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16854011329 + 1094418724 = 129823^2 + 33082^2 .

It is a cyclic number.

It is not a de Polignac number, because 17948430053 - 2⁴ = 17948430037 is a prime.

It is a super-2 number, since 2×17948430053² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 17948429986 and 17948430013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17948430553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8974215026 + 8974215027.

It is an arithmetic number, because the mean of its divisors is an integer number (8974215027).

Almost surely, 2^17948430053 is an apocalyptic number.

It is an amenable number.

17948430053 is a deficient number, since it is larger than the sum of its proper divisors (1).

17948430053 is an equidigital number, since it uses as much as digits as its factorization.

17948430053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 362880, while the sum is 44.

The spelling of 17948430053 in words is "seventeen billion, nine hundred forty-eight million, four hundred thirty thousand, fifty-three".