2190149399 has 16 divisors (see below), whose sum is σ = 2403120000. Its totient is φ = 1988626464.

The previous prime is 2190149387. The next prime is 2190149449. The reversal of 2190149399 is 9939410912.

It is not a de Polignac number, because 2190149399 - 2¹² = 2190145303 is a prime.

It is a super-2 number, since 2×2190149399² = 9593508779880122402, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2190149329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23852 + ... + 70350.

It is an arithmetic number, because the mean of its divisors is an integer number (150195000).

Almost surely, 2^2190149399 is an apocalyptic number.

2190149399 is a deficient number, since it is larger than the sum of its proper divisors (212970601).

2190149399 is a wasteful number, since it uses less digits than its factorization.

2190149399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46622.

The product of its (nonzero) digits is 157464, while the sum is 47.

The square root of 2190149399 is about 46799.0320305880. The cubic root of 2190149399 is about 1298.6473897855.

The spelling of 2190149399 in words is "two billion, one hundred ninety million, one hundred forty-nine thousand, three hundred ninety-nine".