149968609219 has 16 divisors (see below), whose sum is σ = 176258960640. Its totient is φ = 125796310560.

The previous prime is 149968609177. The next prime is 149968609223. The reversal of 149968609219 is 912906869941.

It is a cyclic number.

It is not a de Polignac number, because 149968609219 - 2¹¹ = 149968607171 is a prime.

It is a super-2 number, since 2×149968609219² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149968609229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138394 + ... + 564880.

It is an arithmetic number, because the mean of its divisors is an integer number (11016185040).

Almost surely, 2^149968609219 is an apocalyptic number.

149968609219 is a deficient number, since it is larger than the sum of its proper divisors (26290351421).

149968609219 is a wasteful number, since it uses less digits than its factorization.

149968609219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428970.

The product of its (nonzero) digits is 15116544, while the sum is 64.

The spelling of 149968609219 in words is "one hundred forty-nine billion, nine hundred sixty-eight million, six hundred nine thousand, two hundred nineteen".