18741900735 has 12 divisors (see below), whose sum is σ = 32485961352. Its totient is φ = 9995680368.

The previous prime is 18741900721. The next prime is 18741900761. The reversal of 18741900735 is 53700914781.

It is not a de Polignac number, because 18741900735 - 2¹⁰ = 18741899711 is a prime.

It is a super-3 number, since 3×18741900735³ (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 416486683 = 18741900735 / (1 + 8 + 7 + 4 + 1 + 9 + 0 + 0 + 7 + 3 + 5).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 208243297 + ... + 208243386.

It is an arithmetic number, because the mean of its divisors is an integer number (2707163446).

Almost surely, 2^18741900735 is an apocalyptic number.

18741900735 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

18741900735 is a deficient number, since it is larger than the sum of its proper divisors (13744060617).

18741900735 is a wasteful number, since it uses less digits than its factorization.

18741900735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416486694 (or 416486691 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 45.

The spelling of 18741900735 in words is "eighteen billion, seven hundred forty-one million, nine hundred thousand, seven hundred thirty-five".