4081819263 has 8 divisors (see below), whose sum is σ = 5473885488. Its totient is φ = 2705482944.

The previous prime is 4081819241. The next prime is 4081819271. The reversal of 4081819263 is 3629181804.

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

It is not a de Polignac number, because 4081819263 - 2¹⁶ = 4081753727 is a prime.

It is a super-2 number, since 2×4081819263² = 33322496991595726338, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4081819213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3931870 + ... + 3932907.

It is an arithmetic number, because the mean of its divisors is an integer number (684235686).

Almost surely, 2^4081819263 is an apocalyptic number.

4081819263 is a deficient number, since it is larger than the sum of its proper divisors (1392066225).

4081819263 is a wasteful number, since it uses less digits than its factorization.

4081819263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7864953.

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 4081819263 is about 63889.1169370809. The cubic root of 4081819263 is about 1598.1514149005.

The spelling of 4081819263 in words is "four billion, eighty-one million, eight hundred nineteen thousand, two hundred sixty-three".