2021425411387 has 2 divisors, whose sum is σ = 2021425411388. Its totient is φ = 2021425411386.

The previous prime is 2021425411381. The next prime is 2021425411493. The reversal of 2021425411387 is 7831145241202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2021425411387 - 2²⁷ = 2021291193659 is a prime.

It is a super-2 number, since 2×2021425411387² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2021425411381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010712705693 + 1010712705694.

It is an arithmetic number, because the mean of its divisors is an integer number (1010712705694).

Almost surely, 2^{2021425411387} is an apocalyptic number.

2021425411387 is a deficient number, since it is larger than the sum of its proper divisors (1).

2021425411387 is an equidigital number, since it uses as much as digits as its factorization.

2021425411387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 107520, while the sum is 40.

The spelling of 2021425411387 in words is "two trillion, twenty-one billion, four hundred twenty-five million, four hundred eleven thousand, three hundred eighty-seven".