2420240021291 has 2 divisors, whose sum is σ = 2420240021292. Its totient is φ = 2420240021290.

The previous prime is 2420240021263. The next prime is 2420240021351. The reversal of 2420240021291 is 1921200420242.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2420240021291 - 2³⁴ = 2403060152107 is a prime.

It is not a weakly prime, because it can be changed into another prime (2420240021191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1210120010645 + 1210120010646.

It is an arithmetic number, because the mean of its divisors is an integer number (1210120010646).

Almost surely, 2^{2420240021291} is an apocalyptic number.

2420240021291 is a deficient number, since it is larger than the sum of its proper divisors (1).

2420240021291 is an equidigital number, since it uses as much as digits as its factorization.

2420240021291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 29.

The spelling of 2420240021291 in words is "two trillion, four hundred twenty billion, two hundred forty million, twenty-one thousand, two hundred ninety-one".