1414206991 has 2 divisors, whose sum is σ = 1414206992. Its totient is φ = 1414206990.

The previous prime is 1414206979. The next prime is 1414207009. The reversal of 1414206991 is 1996024141.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1414206991 - 2¹¹ = 1414204943 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1414206991.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1414206901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 707103495 + 707103496.

It is an arithmetic number, because the mean of its divisors is an integer number (707103496).

Almost surely, 2^1414206991 is an apocalyptic number.

1414206991 is a deficient number, since it is larger than the sum of its proper divisors (1).

1414206991 is an equidigital number, since it uses as much as digits as its factorization.

1414206991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 1414206991 is about 37605.9435594960. The cubic root of 1414206991 is about 1122.4603097393.

The spelling of 1414206991 in words is "one billion, four hundred fourteen million, two hundred six thousand, nine hundred ninety-one".