4958891645249 has 4 divisors (see below), whose sum is σ = 4958897681364. Its totient is φ = 4958885609136.

The previous prime is 4958891645237. The next prime is 4958891645263. The reversal of 4958891645249 is 9425461988594.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1763735395249 + 3195156250000 = 1328057^2 + 1787500^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4958891645249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4958891645209) 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, 1546622 + ... + 3508535.

It is an arithmetic number, because the mean of its divisors is an integer number (1239724420341).

Almost surely, 2^{4958891645249} is an apocalyptic number.

It is an amenable number.

4958891645249 is a deficient number, since it is larger than the sum of its proper divisors (6036115).

4958891645249 is an equidigital number, since it uses as much as digits as its factorization.

4958891645249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6036114.

The product of its digits is 895795200, while the sum is 74.

The spelling of 4958891645249 in words is "four trillion, nine hundred fifty-eight billion, eight hundred ninety-one million, six hundred forty-five thousand, two hundred forty-nine".