149521336963 has 4 divisors (see below), whose sum is σ = 149522598160. Its totient is φ = 149520075768.

The previous prime is 149521336897. The next prime is 149521336967. The reversal of 149521336963 is 369633125941.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 149521336963 - 2⁹ = 149521336451 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 149521336963.

It is not an unprimeable number, because it can be changed into a prime (149521336967) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 431895 + ... + 696832.

It is an arithmetic number, because the mean of its divisors is an integer number (37380649540).

Almost surely, 2^149521336963 is an apocalyptic number.

149521336963 is a deficient number, since it is larger than the sum of its proper divisors (1261197).

149521336963 is a wasteful number, since it uses less digits than its factorization.

149521336963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1261196.

The product of its digits is 3149280, while the sum is 52.

The spelling of 149521336963 in words is "one hundred forty-nine billion, five hundred twenty-one million, three hundred thirty-six thousand, nine hundred sixty-three".