18063261363 has 12 divisors (see below), whose sum is σ = 28016487240. Its totient is φ = 10321863552.

The previous prime is 18063261343. The next prime is 18063261427. The reversal of 18063261363 is 36316236081.

It is not a de Polignac number, because 18063261363 - 2⁵ = 18063261331 is a prime.

It is a super-2 number, since 2×18063261363² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (18063261343) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61439518 + ... + 61439811.

It is an arithmetic number, because the mean of its divisors is an integer number (2334707270).

Almost surely, 2^18063261363 is an apocalyptic number.

18063261363 is a deficient number, since it is larger than the sum of its proper divisors (9953225877).

18063261363 is a wasteful number, since it uses less digits than its factorization.

18063261363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122879346 (or 122879339 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 39.

The spelling of 18063261363 in words is "eighteen billion, sixty-three million, two hundred sixty-one thousand, three hundred sixty-three".