530537740305421 has 4 divisors (see below), whose sum is σ = 542875827289312. Its totient is φ = 518199653321532.

The previous prime is 530537740305361. The next prime is 530537740305479. The reversal of 530537740305421 is 124503047735035.

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 530537740305421 - 2²⁷ = 530537606087693 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 (530537740345421) 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, 6169043491881 + ... + 6169043491966.

It is an arithmetic number, because the mean of its divisors is an integer number (135718956822328).

Almost surely, 2^{530537740305421} is an apocalyptic number.

It is an amenable number.

530537740305421 is a deficient number, since it is larger than the sum of its proper divisors (12338086983891).

530537740305421 is a wasteful number, since it uses less digits than its factorization.

530537740305421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12338086983890.

The product of its (nonzero) digits is 5292000, while the sum is 49.

The spelling of 530537740305421 in words is "five hundred thirty trillion, five hundred thirty-seven billion, seven hundred forty million, three hundred five thousand, four hundred twenty-one".