513971103743 has 8 divisors (see below), whose sum is σ = 518740424400. Its totient is φ = 509202764928.

The previous prime is 513971103727. The next prime is 513971103749. The reversal of 513971103743 is 347301179315.

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

It is a cyclic number.

It is not a de Polignac number, because 513971103743 - 2⁴ = 513971103727 is a prime.

It is a super-2 number, since 2×513971103743² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 513971103694 and 513971103703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513971103749) 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, 828023 + ... + 1309031.

It is an arithmetic number, because the mean of its divisors is an integer number (64842553050).

Almost surely, 2^513971103743 is an apocalyptic number.

513971103743 is a deficient number, since it is larger than the sum of its proper divisors (4769320657).

513971103743 is a wasteful number, since it uses less digits than its factorization.

513971103743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490921.

The product of its (nonzero) digits is 238140, while the sum is 44.

The spelling of 513971103743 in words is "five hundred thirteen billion, nine hundred seventy-one million, one hundred three thousand, seven hundred forty-three".