1413640069 has 2 divisors, whose sum is σ = 1413640070. Its totient is φ = 1413640068.

The previous prime is 1413640043. The next prime is 1413640079. The reversal of 1413640069 is 9600463141.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1371220900 + 42419169 = 37030^2 + 6513^2 .

It is a cyclic number.

It is not a de Polignac number, because 1413640069 - 2²³ = 1405251461 is a prime.

It is a super-2 number, since 2×1413640069² = 3996756489364649522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1413640079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 706820034 + 706820035.

It is an arithmetic number, because the mean of its divisors is an integer number (706820035).

Almost surely, 2^1413640069 is an apocalyptic number.

It is an amenable number.

1413640069 is a deficient number, since it is larger than the sum of its proper divisors (1).

1413640069 is an equidigital number, since it uses as much as digits as its factorization.

1413640069 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 34.

The square root of 1413640069 is about 37598.4051390481. The cubic root of 1413640069 is about 1122.3103004646.

The spelling of 1413640069 in words is "one billion, four hundred thirteen million, six hundred forty thousand, sixty-nine".