1144535414447 has 2 divisors, whose sum is σ = 1144535414448. Its totient is φ = 1144535414446.

The previous prime is 1144535414401. The next prime is 1144535414461. The reversal of 1144535414447 is 7444145354411.

It is a strong prime.

It is an emirp because it is prime and its reverse (7444145354411) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1144535414447 is a prime.

It is a super-2 number, since 2×1144535414447² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1144535413447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572267707223 + 572267707224.

It is an arithmetic number, because the mean of its divisors is an integer number (572267707224).

Almost surely, 2^{1144535414447} is an apocalyptic number.

1144535414447 is a deficient number, since it is larger than the sum of its proper divisors (1).

1144535414447 is an equidigital number, since it uses as much as digits as its factorization.

1144535414447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2150400, while the sum is 47.

The spelling of 1144535414447 in words is "one trillion, one hundred forty-four billion, five hundred thirty-five million, four hundred fourteen thousand, four hundred forty-seven".