412304019991 has 2 divisors, whose sum is σ = 412304019992. Its totient is φ = 412304019990.

The previous prime is 412304019989. The next prime is 412304020003. The reversal of 412304019991 is 199910403214.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 412304019991 - 2¹ = 412304019989 is a prime.

Together with 412304019989, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (412304010991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 206152009995 + 206152009996.

It is an arithmetic number, because the mean of its divisors is an integer number (206152009996).

Almost surely, 2^412304019991 is an apocalyptic number.

412304019991 is a deficient number, since it is larger than the sum of its proper divisors (1).

412304019991 is an equidigital number, since it uses as much as digits as its factorization.

412304019991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69984, while the sum is 43.

It can be divided in two parts, 412 and 304019991, that added together give a palindrome (304020403).

The spelling of 412304019991 in words is "four hundred twelve billion, three hundred four million, nineteen thousand, nine hundred ninety-one".