4019398655 has 8 divisors (see below), whose sum is σ = 5107000752. Its totient is φ = 3026370688.

The previous prime is 4019398627. The next prime is 4019398661. The reversal of 4019398655 is 5568939104.

It is a happy number.

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 4019398655 - 2⁸ = 4019398399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23643437 + ... + 23643606.

It is an arithmetic number, because the mean of its divisors is an integer number (638375094).

Almost surely, 2^4019398655 is an apocalyptic number.

4019398655 is a deficient number, since it is larger than the sum of its proper divisors (1087602097).

4019398655 is a wasteful number, since it uses less digits than its factorization.

4019398655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47287065.

The product of its (nonzero) digits is 1166400, while the sum is 50.

The square root of 4019398655 is about 63398.7275503223. The cubic root of 4019398655 is about 1589.9630352811.

The spelling of 4019398655 in words is "four billion, nineteen million, three hundred ninety-eight thousand, six hundred fifty-five".