149819400373 has 4 divisors (see below), whose sum is σ = 154652284288. Its totient is φ = 144986516460.

The previous prime is 149819400349. The next prime is 149819400377. The reversal of 149819400373 is 373004918941.

149819400373 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-149819400373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149819400377) 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 3 ways as a sum of consecutive naturals, for example, 2416441911 + ... + 2416441972.

It is an arithmetic number, because the mean of its divisors is an integer number (38663071072).

Almost surely, 2^149819400373 is an apocalyptic number.

It is an amenable number.

149819400373 is a deficient number, since it is larger than the sum of its proper divisors (4832883915).

149819400373 is an equidigital number, since it uses as much as digits as its factorization.

149819400373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4832883914.

The product of its (nonzero) digits is 653184, while the sum is 49.

The spelling of 149819400373 in words is "one hundred forty-nine billion, eight hundred nineteen million, four hundred thousand, three hundred seventy-three".