4254948122891 has 16 divisors (see below), whose sum is σ = 4399093052160. Its totient is φ = 4111238799360.

The previous prime is 4254948122857. The next prime is 4254948122897. The reversal of 4254948122891 is 1982218494524.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4254948122891 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4254948122891.

It is not an unprimeable number, because it can be changed into a prime (4254948122897) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51893615 + ... + 51975543.

It is an arithmetic number, because the mean of its divisors is an integer number (274943315760).

Almost surely, 2^{4254948122891} is an apocalyptic number.

4254948122891 is a deficient number, since it is larger than the sum of its proper divisors (144144929269).

4254948122891 is a wasteful number, since it uses less digits than its factorization.

4254948122891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84566.

The product of its digits is 13271040, while the sum is 59.

The spelling of 4254948122891 in words is "four trillion, two hundred fifty-four billion, nine hundred forty-eight million, one hundred twenty-two thousand, eight hundred ninety-one".