3285490747489 has 4 divisors (see below), whose sum is σ = 3478754909124. Its totient is φ = 3092226585856.

The previous prime is 3285490747471. The next prime is 3285490747493. The reversal of 3285490747489 is 9847470945823.

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 2311716507489 + 973774240000 = 1520433^2 + 986800^2 .

It is a cyclic number.

It is not a de Polignac number, because 3285490747489 - 2⁷ = 3285490747361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3285490747439) 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, 96632080792 + ... + 96632080825.

It is an arithmetic number, because the mean of its divisors is an integer number (869688727281).

Almost surely, 2^{3285490747489} is an apocalyptic number.

It is an amenable number.

3285490747489 is a deficient number, since it is larger than the sum of its proper divisors (193264161635).

3285490747489 is a wasteful number, since it uses less digits than its factorization.

3285490747489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193264161634.

The product of its (nonzero) digits is 487710720, while the sum is 70.

The spelling of 3285490747489 in words is "three trillion, two hundred eighty-five billion, four hundred ninety million, seven hundred forty-seven thousand, four hundred eighty-nine".