514281974666 has 4 divisors (see below), whose sum is σ = 771422962002. Its totient is φ = 257140987332.

The previous prime is 514281974663. The next prime is 514281974683. The reversal of 514281974666 is 666479182415.

It is a happy number.

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., 433694688025 + 80587286641 = 658555^2 + 283879^2 .

It is not an unprimeable number, because it can be changed into a prime (514281974663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128570493665 + ... + 128570493668.

Almost surely, 2^514281974666 is an apocalyptic number.

514281974666 is a deficient number, since it is larger than the sum of its proper divisors (257140987336).

514281974666 is a wasteful number, since it uses less digits than its factorization.

514281974666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257140987335.

The product of its digits is 17418240, while the sum is 59.

The spelling of 514281974666 in words is "five hundred fourteen billion, two hundred eighty-one million, nine hundred seventy-four thousand, six hundred sixty-six".