30404413987 has 2 divisors, whose sum is σ = 30404413988. Its totient is φ = 30404413986.

The previous prime is 30404413969. The next prime is 30404414119. The reversal of 30404413987 is 78931440403.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30404413987 is a prime.

It is not a weakly prime, because it can be changed into another prime (30404413927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15202206993 + 15202206994.

It is an arithmetic number, because the mean of its divisors is an integer number (15202206994).

Almost surely, 2^30404413987 is an apocalyptic number.

30404413987 is a deficient number, since it is larger than the sum of its proper divisors (1).

30404413987 is an equidigital number, since it uses as much as digits as its factorization.

30404413987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 290304, while the sum is 43.

The spelling of 30404413987 in words is "thirty billion, four hundred four million, four hundred thirteen thousand, nine hundred eighty-seven".