4889479891943 has 8 divisors (see below), whose sum is σ = 4895169006000. Its totient is φ = 4883791123008.

The previous prime is 4889479891921. The next prime is 4889479891973. The reversal of 4889479891943 is 3491989749884.

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 4889479891943 - 2¹⁴ = 4889479875559 is a prime.

It is a super-2 number, since 2×4889479891943² (a number of 26 digits) 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 (4889479891973) 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, 37947953 + ... + 38076581.

It is an arithmetic number, because the mean of its divisors is an integer number (611896125750).

Almost surely, 2^{4889479891943} is an apocalyptic number.

4889479891943 is a deficient number, since it is larger than the sum of its proper divisors (5689114057).

4889479891943 is a wasteful number, since it uses less digits than its factorization.

4889479891943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172561.

The product of its digits is 4514807808, while the sum is 83.

The spelling of 4889479891943 in words is "four trillion, eight hundred eighty-nine billion, four hundred seventy-nine million, eight hundred ninety-one thousand, nine hundred forty-three".