2942723837 has 4 divisors (see below), whose sum is σ = 2946591516. Its totient is φ = 2938856160.

The previous prime is 2942723831. The next prime is 2942723863. The reversal of 2942723837 is 7383272492.

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 1179647716 + 1763076121 = 34346^2 + 41989^2 .

It is a cyclic number.

It is not a de Polignac number, because 2942723837 - 2²² = 2938529533 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2942723791 and 2942723800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2942723831) 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, 1932698 + ... + 1934219.

It is an arithmetic number, because the mean of its divisors is an integer number (736647879).

Almost surely, 2^2942723837 is an apocalyptic number.

It is an amenable number.

2942723837 is a deficient number, since it is larger than the sum of its proper divisors (3867679).

2942723837 is an equidigital number, since it uses as much as digits as its factorization.

2942723837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3867678.

The product of its digits is 1016064, while the sum is 47.

The square root of 2942723837 is about 54246.8785922287. The cubic root of 2942723837 is about 1433.0120282079.

The spelling of 2942723837 in words is "two billion, nine hundred forty-two million, seven hundred twenty-three thousand, eight hundred thirty-seven".