2990520191 has 8 divisors (see below), whose sum is σ = 3137787744. Its totient is φ = 2844689760.

The previous prime is 2990520187. The next prime is 2990520193. The reversal of 2990520191 is 1910250992.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2990520191 - 2² = 2990520187 is a prime.

It is a super-2 number, since 2×2990520191² = 17886422025557352962, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2990520193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 355016 + ... + 363341.

It is an arithmetic number, because the mean of its divisors is an integer number (392223468).

Almost surely, 2^2990520191 is an apocalyptic number.

2990520191 is a deficient number, since it is larger than the sum of its proper divisors (147267553).

2990520191 is a wasteful number, since it uses less digits than its factorization.

2990520191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718561.

The product of its (nonzero) digits is 14580, while the sum is 38.

The square root of 2990520191 is about 54685.6488578128. The cubic root of 2990520191 is about 1440.7288284253.

The spelling of 2990520191 in words is "two billion, nine hundred ninety million, five hundred twenty thousand, one hundred ninety-one".