2190755739 has 8 divisors (see below), whose sum is σ = 2928151120. Its totient is φ = 1456932096.

The previous prime is 2190755731. The next prime is 2190755741. The reversal of 2190755739 is 9375570912.

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

It is not a de Polignac number, because 2190755739 - 2³ = 2190755731 is a prime.

It is a super-2 number, since 2×2190755739² = 9598821415922872242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2190755731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 891502 + ... + 893955.

It is an arithmetic number, because the mean of its divisors is an integer number (366018890).

Almost surely, 2^2190755739 is an apocalyptic number.

2190755739 is a deficient number, since it is larger than the sum of its proper divisors (737395381).

2190755739 is a wasteful number, since it uses less digits than its factorization.

2190755739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1785869.

The product of its (nonzero) digits is 595350, while the sum is 48.

The square root of 2190755739 is about 46805.5097077256. The cubic root of 2190755739 is about 1298.7672216722.

The spelling of 2190755739 in words is "two billion, one hundred ninety million, seven hundred fifty-five thousand, seven hundred thirty-nine".