30863916669 has 4 divisors (see below), whose sum is σ = 41151888896. Its totient is φ = 20575944444.

The previous prime is 30863916641. The next prime is 30863916679. The reversal of 30863916669 is 96661936803.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 30863916669 - 2²³ = 30855528061 is a prime.

It is a super-2 number, since 2×30863916669² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30863916679) 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, 5143986109 + ... + 5143986114.

It is an arithmetic number, because the mean of its divisors is an integer number (10287972224).

Almost surely, 2^30863916669 is an apocalyptic number.

It is an amenable number.

30863916669 is a deficient number, since it is larger than the sum of its proper divisors (10287972227).

30863916669 is a wasteful number, since it uses less digits than its factorization.

30863916669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10287972226.

The product of its (nonzero) digits is 7558272, while the sum is 57.

The spelling of 30863916669 in words is "thirty billion, eight hundred sixty-three million, nine hundred sixteen thousand, six hundred sixty-nine".