30404136667 has 4 divisors (see below), whose sum is σ = 30832364016. Its totient is φ = 29975909320.

The previous prime is 30404136649. The next prime is 30404136671. The reversal of 30404136667 is 76663140403.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 30404136667 - 2²³ = 30395748059 is a prime.

It is a super-2 number, since 2×30404136667² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30404136647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214113568 + ... + 214113709.

It is an arithmetic number, because the mean of its divisors is an integer number (7708091004).

Almost surely, 2^30404136667 is an apocalyptic number.

30404136667 is a deficient number, since it is larger than the sum of its proper divisors (428227349).

30404136667 is an equidigital number, since it uses as much as digits as its factorization.

30404136667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428227348.

The product of its (nonzero) digits is 217728, while the sum is 40.

The spelling of 30404136667 in words is "thirty billion, four hundred four million, one hundred thirty-six thousand, six hundred sixty-seven".