2190288739 has 2 divisors, whose sum is σ = 2190288740. Its totient is φ = 2190288738.

The previous prime is 2190288731. The next prime is 2190288767. The reversal of 2190288739 is 9378820912.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2190288739 - 2³ = 2190288731 is a prime.

It is a super-3 number, since 3×2190288739³ (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2190288692 and 2190288701.

It is not a weakly prime, because it can be changed into another prime (2190288731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1095144369 + 1095144370.

It is an arithmetic number, because the mean of its divisors is an integer number (1095144370).

Almost surely, 2^2190288739 is an apocalyptic number.

2190288739 is a deficient number, since it is larger than the sum of its proper divisors (1).

2190288739 is an equidigital number, since it uses as much as digits as its factorization.

2190288739 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 435456, while the sum is 49.

The square root of 2190288739 is about 46800.5207129152. The cubic root of 2190288739 is about 1298.6749297165.

The spelling of 2190288739 in words is "two billion, one hundred ninety million, two hundred eighty-eight thousand, seven hundred thirty-nine".