3249073490389 has 4 divisors (see below), whose sum is σ = 3249197806860. Its totient is φ = 3248949173920.

The previous prime is 3249073490387. The next prime is 3249073490417. The reversal of 3249073490389 is 9830943709423.

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 1046396014225 + 2202677476164 = 1022935^2 + 1484142^2 .

It is a cyclic number.

It is not a de Polignac number, because 3249073490389 - 2¹ = 3249073490387 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3249073490381) 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, 62119024 + ... + 62171305.

It is an arithmetic number, because the mean of its divisors is an integer number (812299451715).

Almost surely, 2^{3249073490389} is an apocalyptic number.

It is an amenable number.

3249073490389 is a deficient number, since it is larger than the sum of its proper divisors (124316471).

3249073490389 is a wasteful number, since it uses less digits than its factorization.

3249073490389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124316470.

The product of its (nonzero) digits is 35271936, while the sum is 61.

The spelling of 3249073490389 in words is "three trillion, two hundred forty-nine billion, seventy-three million, four hundred ninety thousand, three hundred eighty-nine".