990150049 has 4 divisors (see below), whose sum is σ = 1131600064. Its totient is φ = 848700036.

The previous prime is 990150017. The next prime is 990150061. The reversal of 990150049 is 940051099.

990150049 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 990150049 - 2⁵ = 990150017 is a prime.

It is a super-3 number, since 3×990150049³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (990150349) 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, 70724997 + ... + 70725010.

It is an arithmetic number, because the mean of its divisors is an integer number (282900016).

Almost surely, 2^990150049 is an apocalyptic number.

It is an amenable number.

990150049 is a deficient number, since it is larger than the sum of its proper divisors (141450015).

990150049 is a wasteful number, since it uses less digits than its factorization.

990150049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141450014.

The product of its (nonzero) digits is 14580, while the sum is 37.

The square root of 990150049 is about 31466.6497898966. The cubic root of 990150049 is about 996.7058434481.

The spelling of 990150049 in words is "nine hundred ninety million, one hundred fifty thousand, forty-nine".