15149849469 has 8 divisors (see below), whose sum is σ = 20211408672. Its totient is φ = 10094094960.

The previous prime is 15149849441. The next prime is 15149849543. The reversal of 15149849469 is 96494894151.

15149849469 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 15149849469 - 2¹³ = 15149841277 is a prime.

It is a super-2 number, since 2×15149849469² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15149859469) 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 7 ways as a sum of consecutive naturals, for example, 1445079 + ... + 1455524.

It is an arithmetic number, because the mean of its divisors is an integer number (2526426084).

Almost surely, 2^15149849469 is an apocalyptic number.

It is an amenable number.

15149849469 is a deficient number, since it is larger than the sum of its proper divisors (5061559203).

15149849469 is a wasteful number, since it uses less digits than its factorization.

15149849469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2902347.

The product of its digits is 11197440, while the sum is 60.

The spelling of 15149849469 in words is "fifteen billion, one hundred forty-nine million, eight hundred forty-nine thousand, four hundred sixty-nine".