2401421443439 has 2 divisors, whose sum is σ = 2401421443440. Its totient is φ = 2401421443438.

The previous prime is 2401421443387. The next prime is 2401421443481. The reversal of 2401421443439 is 9343441241042.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2401421443439 is a prime.

It is a super-2 number, since 2×2401421443439² (a number of 26 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 2401421443396 and 2401421443405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2401421473439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1200710721719 + 1200710721720.

It is an arithmetic number, because the mean of its divisors is an integer number (1200710721720).

Almost surely, 2^{2401421443439} is an apocalyptic number.

2401421443439 is a deficient number, since it is larger than the sum of its proper divisors (1).

2401421443439 is an equidigital number, since it uses as much as digits as its factorization.

2401421443439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 331776, while the sum is 41.

The spelling of 2401421443439 in words is "two trillion, four hundred one billion, four hundred twenty-one million, four hundred forty-three thousand, four hundred thirty-nine".