505605901354 has 8 divisors (see below), whose sum is σ = 758701342980. Its totient is φ = 252705453696.

The previous prime is 505605901351. The next prime is 505605901363. The reversal of 505605901354 is 453109506505.

It can be written as a sum of positive squares in 2 ways, for example, as 452693480625 + 52912420729 = 672825^2 + 230027^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 505605901354.

It is not an unprimeable number, because it can be changed into a prime (505605901351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48742009 + ... + 48752380.

Almost surely, 2^505605901354 is an apocalyptic number.

505605901354 is a deficient number, since it is larger than the sum of its proper divisors (253095441626).

505605901354 is a wasteful number, since it uses less digits than its factorization.

505605901354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97496984.

The product of its (nonzero) digits is 405000, while the sum is 43.

The spelling of 505605901354 in words is "five hundred five billion, six hundred five million, nine hundred one thousand, three hundred fifty-four".