501465049893 has 6 divisors (see below), whose sum is σ = 724338405414. Its totient is φ = 334310033256.

The previous prime is 501465049879. The next prime is 501465049919. The reversal of 501465049893 is 398940564105.

501465049893 is a `hidden beast` number, since 5 + 0 + 1 + 4 + 65 + 0 + 498 + 93 = 666.

It can be written as a sum of positive squares in only one way, i.e., 464492682369 + 36972367524 = 681537^2 + 192282^2 .

It is not a de Polignac number, because 501465049893 - 2⁸ = 501465049637 is a prime.

It is a super-2 number, since 2×501465049893² (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 (501465049823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27859169430 + ... + 27859169447.

It is an arithmetic number, because the mean of its divisors is an integer number (120723067569).

Almost surely, 2^501465049893 is an apocalyptic number.

It is an amenable number.

501465049893 is a deficient number, since it is larger than the sum of its proper divisors (222873355521).

501465049893 is a wasteful number, since it uses less digits than its factorization.

501465049893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55718338883 (or 55718338880 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 54.

The spelling of 501465049893 in words is "five hundred one billion, four hundred sixty-five million, forty-nine thousand, eight hundred ninety-three".