2039434490 has 8 divisors (see below), whose sum is σ = 3670982100. Its totient is φ = 815773792.

The previous prime is 2039434489. The next prime is 2039434499. The reversal of 2039434490 is 944349302.

It can be written as a sum of positive squares in 2 ways, for example, as 2039154649 + 279841 = 45157^2 + 529^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2039434499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101971715 + ... + 101971734.

Almost surely, 2^2039434490 is an apocalyptic number.

2039434490 is a deficient number, since it is larger than the sum of its proper divisors (1631547610).

2039434490 is a wasteful number, since it uses less digits than its factorization.

2039434490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203943456.

The product of its (nonzero) digits is 93312, while the sum is 38.

The square root of 2039434490 is about 45160.0984277050. The cubic root of 2039434490 is about 1268.1479379882.

The spelling of 2039434490 in words is "two billion, thirty-nine million, four hundred thirty-four thousand, four hundred ninety".