4537126412421 has 16 divisors (see below), whose sum is σ = 6140856960000. Its totient is φ = 2979089050608.

The previous prime is 4537126412417. The next prime is 4537126412437. The reversal of 4537126412421 is 1242146217354.

It is not a de Polignac number, because 4537126412421 - 2² = 4537126412417 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4537126412491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 791421 + ... + 3114578.

It is an arithmetic number, because the mean of its divisors is an integer number (383803560000).

Almost surely, 2^{4537126412421} is an apocalyptic number.

It is an amenable number.

4537126412421 is a deficient number, since it is larger than the sum of its proper divisors (1603730547579).

4537126412421 is a wasteful number, since it uses less digits than its factorization.

4537126412421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3911848.

The product of its digits is 322560, while the sum is 42.

The spelling of 4537126412421 in words is "four trillion, five hundred thirty-seven billion, one hundred twenty-six million, four hundred twelve thousand, four hundred twenty-one".