520237073534 has 4 divisors (see below), whose sum is σ = 780355610304. Its totient is φ = 260118536766.

The previous prime is 520237073527. The next prime is 520237073537. The reversal of 520237073534 is 435370732025.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×520237073534² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 520237073491 and 520237073500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520237073537) 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 as a sum of consecutive naturals, namely, 130059268382 + ... + 130059268385.

It is an arithmetic number, because the mean of its divisors is an integer number (195088902576).

Almost surely, 2^520237073534 is an apocalyptic number.

520237073534 is a deficient number, since it is larger than the sum of its proper divisors (260118536770).

520237073534 is a wasteful number, since it uses less digits than its factorization.

520237073534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260118536769.

The product of its (nonzero) digits is 529200, while the sum is 41.

The spelling of 520237073534 in words is "five hundred twenty billion, two hundred thirty-seven million, seventy-three thousand, five hundred thirty-four".