18924747153 has 16 divisors (see below), whose sum is σ = 27686715840. Its totient is φ = 11426261184.

The previous prime is 18924747133. The next prime is 18924747173. The reversal of 18924747153 is 35174742981.

It is an interprime number because it is at equal distance from previous prime (18924747133) and next prime (18924747173).

It is not a de Polignac number, because 18924747153 - 2¹⁰ = 18924746129 is a prime.

It is a super-3 number, since 3×18924747153³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 18924747096 and 18924747105.

It is not an unprimeable number, because it can be changed into a prime (18924747133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4575763 + ... + 4579896.

It is an arithmetic number, because the mean of its divisors is an integer number (1730419740).

Almost surely, 2^18924747153 is an apocalyptic number.

18924747153 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

18924747153 is a deficient number, since it is larger than the sum of its proper divisors (8761968687).

18924747153 is a wasteful number, since it uses less digits than its factorization.

18924747153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9155728.

The product of its digits is 1693440, while the sum is 51.

The spelling of 18924747153 in words is "eighteen billion, nine hundred twenty-four million, seven hundred forty-seven thousand, one hundred fifty-three".