505000505494 has 4 divisors (see below), whose sum is σ = 757500758244. Its totient is φ = 252500252746.

The previous prime is 505000505473. The next prime is 505000505519. The reversal of 505000505494 is 494505000505.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126250126372 + ... + 126250126375.

It is an arithmetic number, because the mean of its divisors is an integer number (189375189561).

Almost surely, 2^505000505494 is an apocalyptic number.

505000505494 is a deficient number, since it is larger than the sum of its proper divisors (252500252750).

505000505494 is a wasteful number, since it uses less digits than its factorization.

505000505494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252500252749.

The product of its (nonzero) digits is 90000, while the sum is 37.

Adding to 505000505494 its reverse (494505000505), we get a palindrome (999505505999).

The spelling of 505000505494 in words is "five hundred five billion, five hundred five thousand, four hundred ninety-four".