4905362043989 has 4 divisors (see below), whose sum is σ = 5351304048000. Its totient is φ = 4459420039980.

The previous prime is 4905362043949. The next prime is 4905362044069. The reversal of 4905362043989 is 9893402635094.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4905362043989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4905362043949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222971001989 + ... + 222971002010.

It is an arithmetic number, because the mean of its divisors is an integer number (1337826012000).

Almost surely, 2^{4905362043989} is an apocalyptic number.

It is an amenable number.

4905362043989 is a deficient number, since it is larger than the sum of its proper divisors (445942004011).

4905362043989 is a wasteful number, since it uses less digits than its factorization.

4905362043989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445942004010.

The product of its (nonzero) digits is 50388480, while the sum is 62.

The spelling of 4905362043989 in words is "four trillion, nine hundred five billion, three hundred sixty-two million, forty-three thousand, nine hundred eighty-nine".