530199979 has 4 divisors (see below), whose sum is σ = 553252176. Its totient is φ = 507147784.

The previous prime is 530199977. The next prime is 530199991. The reversal of 530199979 is 979991035.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 979991035 = 5 ⋅195998207.

It is a cyclic number.

It is not a de Polignac number, because 530199979 - 2¹ = 530199977 is a prime.

It is a super-2 number, since 2×530199979² = 562224035463200882, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (530199977) 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, 11526064 + ... + 11526109.

It is an arithmetic number, because the mean of its divisors is an integer number (138313044).

Almost surely, 2^530199979 is an apocalyptic number.

530199979 is a deficient number, since it is larger than the sum of its proper divisors (23052197).

530199979 is a wasteful number, since it uses less digits than its factorization.

530199979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23052196.

The product of its (nonzero) digits is 688905, while the sum is 52.

The square root of 530199979 is about 23026.0717231576. The cubic root of 530199979 is about 809.3690045898.

The spelling of 530199979 in words is "five hundred thirty million, one hundred ninety-nine thousand, nine hundred seventy-nine".