2190749299 has 2 divisors, whose sum is σ = 2190749300. Its totient is φ = 2190749298.

The previous prime is 2190749279. The next prime is 2190749347. The reversal of 2190749299 is 9929470912.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2190749299 is a prime.

It is a super-3 number, since 3×2190749299³ (a number of 29 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (2190749279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1095374649 + 1095374650.

It is an arithmetic number, because the mean of its divisors is an integer number (1095374650).

Almost surely, 2^2190749299 is an apocalyptic number.

2190749299 is a deficient number, since it is larger than the sum of its proper divisors (1).

2190749299 is an equidigital number, since it uses as much as digits as its factorization.

2190749299 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 734832, while the sum is 52.

The square root of 2190749299 is about 46805.4409123555. The cubic root of 2190749299 is about 1298.7659490415.

The spelling of 2190749299 in words is "two billion, one hundred ninety million, seven hundred forty-nine thousand, two hundred ninety-nine".