2739963893 has 4 divisors (see below), whose sum is σ = 2740828428. Its totient is φ = 2739099360.

The previous prime is 2739963881. The next prime is 2739963907. The reversal of 2739963893 is 3983699372.

2739963893 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1707177124 + 1032786769 = 41318^2 + 32137^2 .

It is a cyclic number.

It is not a de Polignac number, because 2739963893 - 2¹² = 2739959797 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2739962893) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 427496 + ... + 433857.

It is an arithmetic number, because the mean of its divisors is an integer number (685207107).

Almost surely, 2^2739963893 is an apocalyptic number.

It is an amenable number.

2739963893 is a deficient number, since it is larger than the sum of its proper divisors (864535).

2739963893 is an equidigital number, since it uses as much as digits as its factorization.

2739963893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 864534.

The product of its digits is 13226976, while the sum is 59.

The square root of 2739963893 is about 52344.6644176844. The cubic root of 2739963893 is about 1399.3132504250.

The spelling of 2739963893 in words is "two billion, seven hundred thirty-nine million, nine hundred sixty-three thousand, eight hundred ninety-three".