3647146642 has 16 divisors (see below), whose sum is σ = 5522929272. Its totient is φ = 1806192640.

The previous prime is 3647146619. The next prime is 3647146693. The reversal of 3647146642 is 2466417463.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1703130361 + 1944016281 = 41269^2 + 44091^2 .

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, 384258 + ... + 393634.

Almost surely, 2^3647146642 is an apocalyptic number.

3647146642 is a deficient number, since it is larger than the sum of its proper divisors (1875782630).

3647146642 is a wasteful number, since it uses less digits than its factorization.

3647146642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11213.

The product of its digits is 580608, while the sum is 43.

The square root of 3647146642 is about 60391.6106922145. The cubic root of 3647146642 is about 1539.2804084558.

The spelling of 3647146642 in words is "three billion, six hundred forty-seven million, one hundred forty-six thousand, six hundred forty-two".