2021425411403 has 4 divisors (see below), whose sum is σ = 2024800078800. Its totient is φ = 2018050744008.

The previous prime is 2021425411387. The next prime is 2021425411493. The reversal of 2021425411403 is 3041145241202.

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 2021425411403 - 2⁴ = 2021425411387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2021425411493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1687332800 + ... + 1687333997.

It is an arithmetic number, because the mean of its divisors is an integer number (506200019700).

Almost surely, 2^{2021425411403} is an apocalyptic number.

2021425411403 is a deficient number, since it is larger than the sum of its proper divisors (3374667397).

2021425411403 is an equidigital number, since it uses as much as digits as its factorization.

2021425411403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3374667396.

The product of its (nonzero) digits is 7680, while the sum is 29.

The spelling of 2021425411403 in words is "two trillion, twenty-one billion, four hundred twenty-five million, four hundred eleven thousand, four hundred three".