513782163642 has 64 divisors (see below), whose sum is σ = 1173437964288. Its totient is φ = 148547112000.

The previous prime is 513782163617. The next prime is 513782163721. The reversal of 513782163642 is 246361287315.

It is a super-2 number, since 2×513782163642² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 513782163591 and 513782163600.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1623153 + ... + 1913684.

It is an arithmetic number, because the mean of its divisors is an integer number (18334968192).

Almost surely, 2^513782163642 is an apocalyptic number.

513782163642 is an abundant number, since it is smaller than the sum of its proper divisors (659655800646).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

513782163642 is a wasteful number, since it uses less digits than its factorization.

513782163642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3536955.

The product of its digits is 1451520, while the sum is 48.

The spelling of 513782163642 in words is "five hundred thirteen billion, seven hundred eighty-two million, one hundred sixty-three thousand, six hundred forty-two".