4881499639 has 2 divisors, whose sum is σ = 4881499640. Its totient is φ = 4881499638.

The previous prime is 4881499573. The next prime is 4881499673. The reversal of 4881499639 is 9369941884.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4881499639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4881499939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2440749819 + 2440749820.

It is an arithmetic number, because the mean of its divisors is an integer number (2440749820).

Almost surely, 2^4881499639 is an apocalyptic number.

4881499639 is a deficient number, since it is larger than the sum of its proper divisors (1).

4881499639 is an equidigital number, since it uses as much as digits as its factorization.

4881499639 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13436928, while the sum is 61.

The square root of 4881499639 is about 69867.7295967173. The cubic root of 4881499639 is about 1696.3589475466.

The spelling of 4881499639 in words is "four billion, eight hundred eighty-one million, four hundred ninety-nine thousand, six hundred thirty-nine".