537247541205405 has 24 divisors (see below), whose sum is σ = 963340418715480. Its totient is φ = 276651607424640.

The previous prime is 537247541205391. The next prime is 537247541205413. The reversal of 537247541205405 is 504502145742735.

537247541205405 is a `hidden beast` number, since 5 + 3 + 7 + 2 + 4 + 75 + 4 + 1 + 20 + 540 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 150133337857881 + 387114203347524 = 12252891^2 + 19675218^2 .

It is not a de Polignac number, because 537247541205405 - 2¹¹ = 537247541203357 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 205841968506 + ... + 205841971115.

It is an arithmetic number, because the mean of its divisors is an integer number (40139184113145).

Almost surely, 2^{537247541205405} is an apocalyptic number.

It is an amenable number.

537247541205405 is a deficient number, since it is larger than the sum of its proper divisors (426092877510075).

537247541205405 is a wasteful number, since it uses less digits than its factorization.

537247541205405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411683939661 (or 411683939658 counting only the distinct ones).

The product of its (nonzero) digits is 23520000, while the sum is 54.

The spelling of 537247541205405 in words is "five hundred thirty-seven trillion, two hundred forty-seven billion, five hundred forty-one million, two hundred five thousand, four hundred five".