149498743973 has 4 divisors (see below), whose sum is σ = 149503951008. Its totient is φ = 149493536940.

The previous prime is 149498743951. The next prime is 149498744033. The reversal of 149498743973 is 379347894941.

149498743973 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 not a de Polignac number, because 149498743973 - 2¹⁰ = 149498742949 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 (149498743873) 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, 2560211 + ... + 2617952.

It is an arithmetic number, because the mean of its divisors is an integer number (37375987752).

Almost surely, 2^149498743973 is an apocalyptic number.

It is an amenable number.

149498743973 is a deficient number, since it is larger than the sum of its proper divisors (5207035).

149498743973 is an equidigital number, since it uses as much as digits as its factorization.

149498743973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5207034.

The product of its digits is 164602368, while the sum is 68.

The spelling of 149498743973 in words is "one hundred forty-nine billion, four hundred ninety-eight million, seven hundred forty-three thousand, nine hundred seventy-three".