18468207297 has 6 divisors (see below), whose sum is σ = 26676299442. Its totient is φ = 12312138192.

The previous prime is 18468207287. The next prime is 18468207301. The reversal of 18468207297 is 79270286481.

It is a happy number.

18468207297 is a `hidden beast` number, since 1 + 8 + 468 + 20 + 72 + 97 = 666.

It can be written as a sum of positive squares in only one way, i.e., 11514148416 + 6954058881 = 107304^2 + 83391^2 .

It is not a de Polignac number, because 18468207297 - 2¹⁶ = 18468141761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18468207217) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1026011508 + ... + 1026011525.

It is an arithmetic number, because the mean of its divisors is an integer number (4446049907).

Almost surely, 2^18468207297 is an apocalyptic number.

It is an amenable number.

18468207297 is a deficient number, since it is larger than the sum of its proper divisors (8208092145).

18468207297 is a wasteful number, since it uses less digits than its factorization.

18468207297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2052023039 (or 2052023036 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 54.

The spelling of 18468207297 in words is "eighteen billion, four hundred sixty-eight million, two hundred seven thousand, two hundred ninety-seven".