516305701634 has 4 divisors (see below), whose sum is σ = 774458552454. Its totient is φ = 258152850816.

The previous prime is 516305701627. The next prime is 516305701649. The reversal of 516305701634 is 436107503615.

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

It can be written as a sum of positive squares in only one way, i.e., 515344515625 + 961186009 = 717875^2 + 31003^2 .

It is a junction number, because it is equal to n+sod(n) for n = 516305701591 and 516305701600.

It is an unprimeable number.

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, 129076425407 + ... + 129076425410.

Almost surely, 2^516305701634 is an apocalyptic number.

516305701634 is a deficient number, since it is larger than the sum of its proper divisors (258152850820).

516305701634 is a wasteful number, since it uses less digits than its factorization.

516305701634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258152850819.

The product of its (nonzero) digits is 226800, while the sum is 41.

The spelling of 516305701634 in words is "five hundred sixteen billion, three hundred five million, seven hundred one thousand, six hundred thirty-four".