501340534263 has 24 divisors (see below), whose sum is σ = 736135823280. Its totient is φ = 328700626560.

The previous prime is 501340534193. The next prime is 501340534267. The reversal of 501340534263 is 362435043105.

501340534263 is a `hidden beast` number, since 5 + 0 + 1 + 340 + 53 + 4 + 263 = 666.

It is not a de Polignac number, because 501340534263 - 2⁸ = 501340534007 is a prime.

It is a super-2 number, since 2×501340534263² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501340534267) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3983620 + ... + 4107542.

It is an arithmetic number, because the mean of its divisors is an integer number (30672325970).

Almost surely, 2^501340534263 is an apocalyptic number.

501340534263 is a deficient number, since it is larger than the sum of its proper divisors (234795289017).

501340534263 is a wasteful number, since it uses less digits than its factorization.

501340534263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131359 (or 131356 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

Adding to 501340534263 its reverse (362435043105), we get a palindrome (863775577368).

The spelling of 501340534263 in words is "five hundred one billion, three hundred forty million, five hundred thirty-four thousand, two hundred sixty-three".