1412619991 has 2 divisors, whose sum is σ = 1412619992. Its totient is φ = 1412619990.

The previous prime is 1412619983. The next prime is 1412620031. The reversal of 1412619991 is 1999162141.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1412619991 - 2³ = 1412619983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1412614991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 706309995 + 706309996.

It is an arithmetic number, because the mean of its divisors is an integer number (706309996).

Almost surely, 2^1412619991 is an apocalyptic number.

1412619991 is a deficient number, since it is larger than the sum of its proper divisors (1).

1412619991 is an equidigital number, since it uses as much as digits as its factorization.

1412619991 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34992, while the sum is 43.

The square root of 1412619991 is about 37584.8372485501. The cubic root of 1412619991 is about 1122.0402837057.

The spelling of 1412619991 in words is "one billion, four hundred twelve million, six hundred nineteen thousand, nine hundred ninety-one".