18967260345 has 16 divisors (see below), whose sum is σ = 33106491072. Its totient is φ = 9196247360.

The previous prime is 18967260343. The next prime is 18967260353. The reversal of 18967260345 is 54306276981.

It is not a de Polignac number, because 18967260345 - 2¹ = 18967260343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18967260343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57476382 + ... + 57476711.

It is an arithmetic number, because the mean of its divisors is an integer number (2069155692).

It is a 1-persistent number, because it is pandigital, but 2⋅18967260345 = 37934520690 is not.

Almost surely, 2^18967260345 is an apocalyptic number.

18967260345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

18967260345 is a deficient number, since it is larger than the sum of its proper divisors (14139230727).

18967260345 is a wasteful number, since it uses less digits than its factorization.

18967260345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114953112.

The product of its (nonzero) digits is 2177280, while the sum is 51.

The spelling of 18967260345 in words is "eighteen billion, nine hundred sixty-seven million, two hundred sixty thousand, three hundred forty-five".