3487236645 has 32 divisors (see below), whose sum is σ = 5677516800. Its totient is φ = 1827408384.

The previous prime is 3487236589. The next prime is 3487236671. The reversal of 3487236645 is 5466327843.

3487236645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3487236645 - 2²⁷ = 3353018917 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3487236594 and 3487236603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 288636 + ... + 300474.

It is an arithmetic number, because the mean of its divisors is an integer number (177422400).

Almost surely, 2^3487236645 is an apocalyptic number.

It is an amenable number.

3487236645 is a deficient number, since it is larger than the sum of its proper divisors (2190280155).

3487236645 is a wasteful number, since it uses less digits than its factorization.

3487236645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12189.

The product of its digits is 2903040, while the sum is 48.

The square root of 3487236645 is about 59052.8292717631. The cubic root of 3487236645 is about 1516.4466635494.

It can be divided in two parts, 34872 and 36645, that added together give a palindrome (71517).

The spelling of 3487236645 in words is "three billion, four hundred eighty-seven million, two hundred thirty-six thousand, six hundred forty-five".