2420344120391 has 2 divisors, whose sum is σ = 2420344120392. Its totient is φ = 2420344120390.

The previous prime is 2420344120319. The next prime is 2420344120417. The reversal of 2420344120391 is 1930214430242.

Together with previous prime (2420344120319) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2420344120391 - 2¹⁴ = 2420344104007 is a prime.

It is a super-2 number, since 2×2420344120391² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2420344125391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1210172060195 + 1210172060196.

It is an arithmetic number, because the mean of its divisors is an integer number (1210172060196).

Almost surely, 2^{2420344120391} is an apocalyptic number.

2420344120391 is a deficient number, since it is larger than the sum of its proper divisors (1).

2420344120391 is an equidigital number, since it uses as much as digits as its factorization.

2420344120391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 35.

The spelling of 2420344120391 in words is "two trillion, four hundred twenty billion, three hundred forty-four million, one hundred twenty thousand, three hundred ninety-one".