143780905379 has 2 divisors, whose sum is σ = 143780905380. Its totient is φ = 143780905378.

The previous prime is 143780905357. The next prime is 143780905381. The reversal of 143780905379 is 973509087341.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 143780905379 - 2²⁸ = 143512469923 is a prime.

It is a super-2 number, since 2×143780905379² (a number of 23 digits) contains 22 as substring.

Together with 143780905381, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (143780907379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71890452689 + 71890452690.

It is an arithmetic number, because the mean of its divisors is an integer number (71890452690).

Almost surely, 2^143780905379 is an apocalyptic number.

143780905379 is a deficient number, since it is larger than the sum of its proper divisors (1).

143780905379 is an equidigital number, since it uses as much as digits as its factorization.

143780905379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5715360, while the sum is 56.

The spelling of 143780905379 in words is "one hundred forty-three billion, seven hundred eighty million, nine hundred five thousand, three hundred seventy-nine".