2039869742 has 4 divisors (see below), whose sum is σ = 3059804616. Its totient is φ = 1019934870.

The previous prime is 2039869723. The next prime is 2039869753. The reversal of 2039869742 is 2479689302.

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

It is a super-2 number, since 2×2039869742² = 8322137128654293128, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 509967434 + ... + 509967437.

It is an arithmetic number, because the mean of its divisors is an integer number (764951154).

Almost surely, 2^2039869742 is an apocalyptic number.

2039869742 is a deficient number, since it is larger than the sum of its proper divisors (1019934874).

2039869742 is a wasteful number, since it uses less digits than its factorization.

2039869742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1019934873.

The product of its (nonzero) digits is 1306368, while the sum is 50.

The square root of 2039869742 is about 45164.9171592288. The cubic root of 2039869742 is about 1268.2381467638.

The spelling of 2039869742 in words is "two billion, thirty-nine million, eight hundred sixty-nine thousand, seven hundred forty-two".