4481356893 has 32 divisors (see below), whose sum is σ = 6958296576. Its totient is φ = 2540295168.

The previous prime is 4481356879. The next prime is 4481356939. The reversal of 4481356893 is 3986531844.

It is not a de Polignac number, because 4481356893 - 2⁴ = 4481356877 is a prime.

It is a super-2 number, since 2×4481356893² = 40165119204877226898, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4481356493) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40746 + ... + 103067.

It is an arithmetic number, because the mean of its divisors is an integer number (217446768).

Almost surely, 2^4481356893 is an apocalyptic number.

It is an amenable number.

4481356893 is a deficient number, since it is larger than the sum of its proper divisors (2476939683).

4481356893 is a wasteful number, since it uses less digits than its factorization.

4481356893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143893.

The product of its digits is 2488320, while the sum is 51.

The square root of 4481356893 is about 66942.9375886658. The cubic root of 4481356893 is about 1648.6805359559.

The spelling of 4481356893 in words is "four billion, four hundred eighty-one million, three hundred fifty-six thousand, eight hundred ninety-three".