3501874644 has 12 divisors (see below), whose sum is σ = 8171040864. Its totient is φ = 1167291544.

The previous prime is 3501874627. The next prime is 3501874661. The reversal of 3501874644 is 4464781053.

It is an interprime number because it is at equal distance from previous prime (3501874627) and next prime (3501874661).

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 3501874596 and 3501874605.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145911432 + ... + 145911455.

It is an arithmetic number, because the mean of its divisors is an integer number (680920072).

Almost surely, 2^3501874644 is an apocalyptic number.

It is an amenable number.

3501874644 is an abundant number, since it is smaller than the sum of its proper divisors (4669166220).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3501874644 is a wasteful number, since it uses less digits than its factorization.

3501874644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291822894 (or 291822892 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 42.

The square root of 3501874644 is about 59176.6393435788. The cubic root of 3501874644 is about 1518.5655100935.

The spelling of 3501874644 in words is "three billion, five hundred one million, eight hundred seventy-four thousand, six hundred forty-four".