4405125413421 has 12 divisors (see below), whose sum is σ = 6379747745280. Its totient is φ = 2929001591880.

The previous prime is 4405125413383. The next prime is 4405125413473. The reversal of 4405125413421 is 1243145215044.

4405125413421 is a `hidden beast` number, since 4 + 4 + 0 + 512 + 5 + 4 + 134 + 2 + 1 = 666.

It is not a de Polignac number, because 4405125413421 - 2¹¹ = 4405125411373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4405125413621) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 645720045 + ... + 645726866.

It is an arithmetic number, because the mean of its divisors is an integer number (531645645440).

Almost surely, 2^{4405125413421} is an apocalyptic number.

It is an amenable number.

4405125413421 is a deficient number, since it is larger than the sum of its proper divisors (1974622331859).

4405125413421 is a wasteful number, since it uses less digits than its factorization.

4405125413421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1291447296 (or 1291447293 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

The spelling of 4405125413421 in words is "four trillion, four hundred five billion, one hundred twenty-five million, four hundred thirteen thousand, four hundred twenty-one".