3643479046 has 4 divisors (see below), whose sum is σ = 5465218572. Its totient is φ = 1821739522.

The previous prime is 3643479043. The next prime is 3643479079. The reversal of 3643479046 is 6409743463.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6409743463 = 569 ⋅11264927.

It is a junction number, because it is equal to n+sod(n) for n = 3643478987 and 3643479005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3643479043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 910869760 + ... + 910869763.

It is an arithmetic number, because the mean of its divisors is an integer number (1366304643).

Almost surely, 2^3643479046 is an apocalyptic number.

3643479046 is a deficient number, since it is larger than the sum of its proper divisors (1821739526).

3643479046 is a wasteful number, since it uses less digits than its factorization.

3643479046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1821739525.

The product of its (nonzero) digits is 1306368, while the sum is 46.

The square root of 3643479046 is about 60361.2379429050. The cubic root of 3643479046 is about 1538.7642650473.

The spelling of 3643479046 in words is "three billion, six hundred forty-three million, four hundred seventy-nine thousand, forty-six".