149749876417 has 8 divisors (see below), whose sum is σ = 157636388000. Its totient is φ = 141863858784.

The previous prime is 149749876391. The next prime is 149749876421. The reversal of 149749876417 is 714678947941.

149749876417 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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-149749876417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (149749876477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 610834 + ... + 820132.

It is an arithmetic number, because the mean of its divisors is an integer number (19704548500).

Almost surely, 2^149749876417 is an apocalyptic number.

It is an amenable number.

149749876417 is a deficient number, since it is larger than the sum of its proper divisors (7886511583).

149749876417 is a wasteful number, since it uses less digits than its factorization.

149749876417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246975.

The product of its digits is 85349376, while the sum is 67.

The spelling of 149749876417 in words is "one hundred forty-nine billion, seven hundred forty-nine million, eight hundred seventy-six thousand, four hundred seventeen".