7214444372857 has 4 divisors (see below), whose sum is σ = 7215185161360. Its totient is φ = 7213703584356.

The previous prime is 7214444372731. The next prime is 7214444372867. The reversal of 7214444372857 is 7582734444127.

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 7214444372857 - 2¹⁹ = 7214443848569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7214444372867) 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, 370379643 + ... + 370399120.

It is an arithmetic number, because the mean of its divisors is an integer number (1803796290340).

Almost surely, 2^{7214444372857} is an apocalyptic number.

It is an amenable number.

7214444372857 is a deficient number, since it is larger than the sum of its proper divisors (740788503).

7214444372857 is an equidigital number, since it uses as much as digits as its factorization.

7214444372857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740788502.

The product of its digits is 42147840, while the sum is 58.

The spelling of 7214444372857 in words is "seven trillion, two hundred fourteen billion, four hundred forty-four million, three hundred seventy-two thousand, eight hundred fifty-seven".