1414781551 has 2 divisors, whose sum is σ = 1414781552. Its totient is φ = 1414781550.

The previous prime is 1414781549. The next prime is 1414781593. The reversal of 1414781551 is 1551874141.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1414781551 - 2¹ = 1414781549 is a prime.

Together with 1414781549, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1414781551.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1414781521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 707390775 + 707390776.

It is an arithmetic number, because the mean of its divisors is an integer number (707390776).

Almost surely, 2^1414781551 is an apocalyptic number.

1414781551 is a deficient number, since it is larger than the sum of its proper divisors (1).

1414781551 is an equidigital number, since it uses as much as digits as its factorization.

1414781551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22400, while the sum is 37.

The square root of 1414781551 is about 37613.5820017185. The cubic root of 1414781551 is about 1122.6122991535.

The spelling of 1414781551 in words is "one billion, four hundred fourteen million, seven hundred eighty-one thousand, five hundred fifty-one".