3985341002690 has 16 divisors (see below), whose sum is σ = 7348579995960. Its totient is φ = 1555255025280.

The previous prime is 3985341002683. The next prime is 3985341002707. The reversal of 3985341002690 is 962001435893.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2320835918041 + 1664505084649 = 1523429^2 + 1290157^2 .

It is a super-2 number, since 2×3985341002690² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4860171545 + ... + 4860172364.

Almost surely, 2^{3985341002690} is an apocalyptic number.

3985341002690 is a deficient number, since it is larger than the sum of its proper divisors (3363238993270).

3985341002690 is a wasteful number, since it uses less digits than its factorization.

3985341002690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9720343957.

The product of its (nonzero) digits is 1399680, while the sum is 50.

The spelling of 3985341002690 in words is "three trillion, nine hundred eighty-five billion, three hundred forty-one million, two thousand, six hundred ninety".