149200535819 has 16 divisors (see below), whose sum is σ = 164573065440. Its totient is φ = 134677002240.

The previous prime is 149200535789. The next prime is 149200535821. The reversal of 149200535819 is 918535002941.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-149200535819 is a prime.

It is a super-2 number, since 2×149200535819² (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 (149200235819) 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, 1772954 + ... + 1855199.

It is an arithmetic number, because the mean of its divisors is an integer number (10285816590).

Almost surely, 2^149200535819 is an apocalyptic number.

149200535819 is a deficient number, since it is larger than the sum of its proper divisors (15372529621).

149200535819 is a wasteful number, since it uses less digits than its factorization.

149200535819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3628270.

The product of its (nonzero) digits is 388800, while the sum is 47.

The spelling of 149200535819 in words is "one hundred forty-nine billion, two hundred million, five hundred thirty-five thousand, eight hundred nineteen".