17946280053 has 40 divisors (see below), whose sum is σ = 28926933728. Its totient is φ = 11022410016.

The previous prime is 17946280049. The next prime is 17946280103. The reversal of 17946280053 is 35008264971.

17946280053 is a `hidden beast` number, since 17 + 9 + 4 + 628 + 0 + 0 + 5 + 3 = 666.

It is not a de Polignac number, because 17946280053 - 2² = 17946280049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 17946279990 and 17946280008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17946280043) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 534426 + ... + 567012.

It is a 1-persistent number, because it is pandigital, but 2⋅17946280053 = 35892560106 is not.

Almost surely, 2^17946280053 is an apocalyptic number.

17946280053 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

17946280053 is a deficient number, since it is larger than the sum of its proper divisors (10980653675).

17946280053 is a wasteful number, since it uses less digits than its factorization.

17946280053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33135 (or 33126 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 17946280053 in words is "seventeen billion, nine hundred forty-six million, two hundred eighty thousand, fifty-three".