505705650537 has 8 divisors (see below), whose sum is σ = 674338710880. Its totient is φ = 337104845280.

The previous prime is 505705650497. The next prime is 505705650547. The reversal of 505705650537 is 735056507505.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 505705650537 - 2¹⁰ = 505705649513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (505705650547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8027164 + ... + 8089917.

It is an arithmetic number, because the mean of its divisors is an integer number (84292338860).

Almost surely, 2^505705650537 is an apocalyptic number.

It is an amenable number.

505705650537 is a deficient number, since it is larger than the sum of its proper divisors (168633060343).

505705650537 is a wasteful number, since it uses less digits than its factorization.

505705650537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16127543.

The product of its (nonzero) digits is 2756250, while the sum is 48.

The spelling of 505705650537 in words is "five hundred five billion, seven hundred five million, six hundred fifty thousand, five hundred thirty-seven".