1435722143381 has 2 divisors, whose sum is σ = 1435722143382. Its totient is φ = 1435722143380.

The previous prime is 1435722143357. The next prime is 1435722143389. The reversal of 1435722143381 is 1833412275341.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 770999900356 + 664722243025 = 878066^2 + 815305^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1435722143381 is a prime.

It is a super-2 number, since 2×1435722143381² (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 (1435722143389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 717861071690 + 717861071691.

It is an arithmetic number, because the mean of its divisors is an integer number (717861071691).

Almost surely, 2^{1435722143381} is an apocalyptic number.

It is an amenable number.

1435722143381 is a deficient number, since it is larger than the sum of its proper divisors (1).

1435722143381 is an equidigital number, since it uses as much as digits as its factorization.

1435722143381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 483840, while the sum is 44.

The spelling of 1435722143381 in words is "one trillion, four hundred thirty-five billion, seven hundred twenty-two million, one hundred forty-three thousand, three hundred eighty-one".