505790646357 has 8 divisors (see below), whose sum is σ = 674390821984. Its totient is φ = 337192117488.

The previous prime is 505790646271. The next prime is 505790646367. The reversal of 505790646357 is 753646097505.

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

It is not a de Polignac number, because 505790646357 - 2¹¹ = 505790644309 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 505790646297 and 505790646306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505790646367) 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, 924798 + ... + 1366320.

It is an arithmetic number, because the mean of its divisors is an integer number (84298852748).

Almost surely, 2^505790646357 is an apocalyptic number.

It is an amenable number.

505790646357 is a deficient number, since it is larger than the sum of its proper divisors (168600175627).

505790646357 is a wasteful number, since it uses less digits than its factorization.

505790646357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 823379.

The product of its (nonzero) digits is 23814000, while the sum is 57.

The spelling of 505790646357 in words is "five hundred five billion, seven hundred ninety million, six hundred forty-six thousand, three hundred fifty-seven".