149634356617 has 8 divisors (see below), whose sum is σ = 151157451456. Its totient is φ = 148113570192.

The previous prime is 149634356603. The next prime is 149634356633. The reversal of 149634356617 is 716653436941.

149634356617 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-149634356617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149634356717) 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, 446653 + ... + 706234.

It is an arithmetic number, because the mean of its divisors is an integer number (18894681432).

Almost surely, 2^149634356617 is an apocalyptic number.

It is an amenable number.

149634356617 is a deficient number, since it is larger than the sum of its proper divisors (1523094839).

149634356617 is a wasteful number, since it uses less digits than its factorization.

149634356617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1154207.

The product of its digits is 9797760, while the sum is 55.

The spelling of 149634356617 in words is "one hundred forty-nine billion, six hundred thirty-four million, three hundred fifty-six thousand, six hundred seventeen".