4540447451437 has 4 divisors (see below), whose sum is σ = 4540456116160. Its totient is φ = 4540438786716.

The previous prime is 4540447451387. The next prime is 4540447451453. The reversal of 4540447451437 is 7341547440454.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4540447451437 - 2³⁵ = 4506087713069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4540447451497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3492003 + ... + 4612480.

It is an arithmetic number, because the mean of its divisors is an integer number (1135114029040).

Almost surely, 2^{4540447451437} is an apocalyptic number.

It is an amenable number.

4540447451437 is a deficient number, since it is larger than the sum of its proper divisors (8664723).

4540447451437 is an equidigital number, since it uses as much as digits as its factorization.

4540447451437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8664722.

The product of its (nonzero) digits is 15052800, while the sum is 52.

The spelling of 4540447451437 in words is "four trillion, five hundred forty billion, four hundred forty-seven million, four hundred fifty-one thousand, four hundred thirty-seven".