4267399981 has 8 divisors (see below), whose sum is σ = 4837538720. Its totient is φ = 3731815152.

The previous prime is 4267399973. The next prime is 4267399987. The reversal of 4267399981 is 1899937624.

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

It is not a de Polignac number, because 4267399981 - 2³ = 4267399973 is a prime.

It is a super-2 number, since 2×4267399981² = 36421405195677600722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4267399987) 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, 8638215 + ... + 8638708.

It is an arithmetic number, because the mean of its divisors is an integer number (604692340).

Almost surely, 2^4267399981 is an apocalyptic number.

It is an amenable number.

4267399981 is a deficient number, since it is larger than the sum of its proper divisors (570138739).

4267399981 is a wasteful number, since it uses less digits than its factorization.

4267399981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17276955.

The product of its digits is 5878656, while the sum is 58.

The square root of 4267399981 is about 65325.3395016053. The cubic root of 4267399981 is about 1622.0134469530.

The spelling of 4267399981 in words is "four billion, two hundred sixty-seven million, three hundred ninety-nine thousand, nine hundred eighty-one".