3486642489 has 72 divisors (see below), whose sum is σ = 6054598368. Its totient is φ = 1981635840.

The previous prime is 3486642457. The next prime is 3486642493. The reversal of 3486642489 is 9842466843.

3486642489 is a `hidden beast` number, since 3 + 486 + 64 + 24 + 89 = 666.

It is not a de Polignac number, because 3486642489 - 2⁵ = 3486642457 is a prime.

It is a super-2 number, since 2×3486642489² = 24313351692200230242, which contains 22 as substring.

It is a Curzon number.

It is a nialpdrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3486642409) 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 71 ways as a sum of consecutive naturals, for example, 12587019 + ... + 12587295.

It is an arithmetic number, because the mean of its divisors is an integer number (84091644).

Almost surely, 2^3486642489 is an apocalyptic number.

It is an amenable number.

3486642489 is a deficient number, since it is larger than the sum of its proper divisors (2567955879).

3486642489 is an equidigital number, since it uses as much as digits as its factorization.

3486642489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597 (or 308 counting only the distinct ones).

The product of its digits is 7962624, while the sum is 54.

The square root of 3486642489 is about 59047.7983416825. The cubic root of 3486642489 is about 1516.3605345069.

It can be divided in two parts, 348664 and 2489, that added together give a palindrome (351153).

The spelling of 3486642489 in words is "three billion, four hundred eighty-six million, six hundred forty-two thousand, four hundred eighty-nine".