13425401041021 has 8 divisors (see below), whose sum is σ = 13466172845888. Its totient is φ = 13384630512000.

The previous prime is 13425401040907. The next prime is 13425401041049. The reversal of 13425401041021 is 12014010452431.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13425401041021 - 2⁷ = 13425401040893 is a prime.

It is a super-2 number, since 2×13425401041021² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13425401044021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23440141 + ... + 24006061.

It is an arithmetic number, because the mean of its divisors is an integer number (1683271605736).

Almost surely, 2^{13425401041021} is an apocalyptic number.

It is an amenable number.

13425401041021 is a deficient number, since it is larger than the sum of its proper divisors (40771804867).

13425401041021 is an equidigital number, since it uses as much as digits as its factorization.

13425401041021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637923.

The product of its (nonzero) digits is 3840, while the sum is 28.

Adding to 13425401041021 its reverse (12014010452431), we get a palindrome (25439411493452).

The spelling of 13425401041021 in words is "thirteen trillion, four hundred twenty-five billion, four hundred one million, forty-one thousand, twenty-one".