3642998819 has 8 divisors (see below), whose sum is σ = 3844104480. Its totient is φ = 3445452736.

The previous prime is 3642998809. The next prime is 3642998851. The reversal of 3642998819 is 9188992463.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3642998819 - 2²⁸ = 3374563363 is a prime.

It is a super-2 number, since 2×3642998819² = 26542880790470789522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3642998809) 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 in 7 ways as a sum of consecutive naturals, for example, 887792 + ... + 891885.

It is an arithmetic number, because the mean of its divisors is an integer number (480513060).

Almost surely, 2^3642998819 is an apocalyptic number.

3642998819 is a deficient number, since it is larger than the sum of its proper divisors (201105661).

3642998819 is a wasteful number, since it uses less digits than its factorization.

3642998819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1779789.

The product of its digits is 6718464, while the sum is 59.

The square root of 3642998819 is about 60357.2598698781. The cubic root of 3642998819 is about 1538.6966567160.

The spelling of 3642998819 in words is "three billion, six hundred forty-two million, nine hundred ninety-eight thousand, eight hundred nineteen".