18901887614429 has 8 divisors (see below), whose sum is σ = 19452286628448. Its totient is φ = 18353569505040.

The previous prime is 18901887614417. The next prime is 18901887614431. The reversal of 18901887614429 is 92441678810981.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18901887614429 - 2¹⁶ = 18901887548893 is a prime.

It is a super-3 number, since 3×18901887614429³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18901887644429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 520207727 + ... + 520244060.

It is an arithmetic number, because the mean of its divisors is an integer number (2431535828556).

Almost surely, 2^{18901887614429} is an apocalyptic number.

It is an amenable number.

18901887614429 is a deficient number, since it is larger than the sum of its proper divisors (550399014019).

18901887614429 is a wasteful number, since it uses less digits than its factorization.

18901887614429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1040452315.

The product of its (nonzero) digits is 55738368, while the sum is 68.

The spelling of 18901887614429 in words is "eighteen trillion, nine hundred one billion, eight hundred eighty-seven million, six hundred fourteen thousand, four hundred twenty-nine".