4220371551247 has 4 divisors (see below), whose sum is σ = 4220465849136. Its totient is φ = 4220277253360.

The previous prime is 4220371551199. The next prime is 4220371551251. The reversal of 4220371551247 is 7421551730224.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 4220371551247 - 2¹⁹ = 4220371026959 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 (4220371551947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47081779 + ... + 47171332.

It is an arithmetic number, because the mean of its divisors is an integer number (1055116462284).

Almost surely, 2^{4220371551247} is an apocalyptic number.

4220371551247 is a deficient number, since it is larger than the sum of its proper divisors (94297889).

4220371551247 is an equidigital number, since it uses as much as digits as its factorization.

4220371551247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94297888.

The product of its (nonzero) digits is 470400, while the sum is 43.

The spelling of 4220371551247 in words is "four trillion, two hundred twenty billion, three hundred seventy-one million, five hundred fifty-one thousand, two hundred forty-seven".