18362482399 has 4 divisors (see below), whose sum is σ = 18463932760. Its totient is φ = 18261032040.

The previous prime is 18362482387. The next prime is 18362482409. The reversal of 18362482399 is 99328426381.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99328426381 = 1381 ⋅71925001.

It is a cyclic number.

It is not a de Polignac number, because 18362482399 - 2²¹ = 18360385247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18362482319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50724909 + ... + 50725270.

It is an arithmetic number, because the mean of its divisors is an integer number (4615983190).

Almost surely, 2^18362482399 is an apocalyptic number.

18362482399 is a deficient number, since it is larger than the sum of its proper divisors (101450361).

18362482399 is a wasteful number, since it uses less digits than its factorization.

18362482399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101450360.

The product of its digits is 4478976, while the sum is 55.

The spelling of 18362482399 in words is "eighteen billion, three hundred sixty-two million, four hundred eighty-two thousand, three hundred ninety-nine".