3642643467 has 20 divisors (see below), whose sum is σ = 5443153056. Its totient is φ = 2427682320.

The previous prime is 3642643457. The next prime is 3642643481. The reversal of 3642643467 is 7643462463.

It is not a de Polignac number, because 3642643467 - 2⁸ = 3642643211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3642643457) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 419413 + ... + 428009.

Almost surely, 2^3642643467 is an apocalyptic number.

3642643467 is a deficient number, since it is larger than the sum of its proper divisors (1800509589).

3642643467 is an equidigital number, since it uses as much as digits as its factorization.

3642643467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13840 (or 13831 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 45.

The square root of 3642643467 is about 60354.3160594170. The cubic root of 3642643467 is about 1538.6466249756.

The spelling of 3642643467 in words is "three billion, six hundred forty-two million, six hundred forty-three thousand, four hundred sixty-seven".