1414894981 has 2 divisors, whose sum is σ = 1414894982. Its totient is φ = 1414894980.

The previous prime is 1414894937. The next prime is 1414894993. The reversal of 1414894981 is 1894984141.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1278706081 + 136188900 = 35759^2 + 11670^2 .

It is an emirp because it is prime and its reverse (1894984141) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1414894981 - 2⁹ = 1414894469 is a prime.

It is a super-2 number, since 2×1414894981² = 4003855614517980722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1414894181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 707447490 + 707447491.

It is an arithmetic number, because the mean of its divisors is an integer number (707447491).

Almost surely, 2^1414894981 is an apocalyptic number.

It is an amenable number.

1414894981 is a deficient number, since it is larger than the sum of its proper divisors (1).

1414894981 is an equidigital number, since it uses as much as digits as its factorization.

1414894981 is an evil number, because the sum of its binary digits is even.

The product of its digits is 331776, while the sum is 49.

The square root of 1414894981 is about 37615.0898044920. The cubic root of 1414894981 is about 1122.6423001361.

The spelling of 1414894981 in words is "one billion, four hundred fourteen million, eight hundred ninety-four thousand, nine hundred eighty-one".