4851622803257 has 4 divisors (see below), whose sum is σ = 4852041816720. Its totient is φ = 4851203789796.

The previous prime is 4851622803179. The next prime is 4851622803259. The reversal of 4851622803257 is 7523082261584.

It is a happy number.

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 not a de Polignac number, because 4851622803257 - 2²⁴ = 4851606026041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4851622803199 and 4851622803208.

It is not an unprimeable number, because it can be changed into a prime (4851622803259) 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, 209489363 + ... + 209512520.

It is an arithmetic number, because the mean of its divisors is an integer number (1213010454180).

Almost surely, 2^{4851622803257} is an apocalyptic number.

It is an amenable number.

4851622803257 is a deficient number, since it is larger than the sum of its proper divisors (419013463).

4851622803257 is a wasteful number, since it uses less digits than its factorization.

4851622803257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419013462.

The product of its (nonzero) digits is 6451200, while the sum is 53.

The spelling of 4851622803257 in words is "four trillion, eight hundred fifty-one billion, six hundred twenty-two million, eight hundred three thousand, two hundred fifty-seven".