1429437157943 has 4 divisors (see below), whose sum is σ = 1431914519280. Its totient is φ = 1426959796608.

The previous prime is 1429437157933. The next prime is 1429437157987. The reversal of 1429437157943 is 3497517349241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1429437157943 - 2⁶ = 1429437157879 is a prime.

It is a super-2 number, since 2×1429437157943² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1429437157933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1238679803 + ... + 1238680956.

It is an arithmetic number, because the mean of its divisors is an integer number (357978629820).

Almost surely, 2^{1429437157943} is an apocalyptic number.

1429437157943 is a deficient number, since it is larger than the sum of its proper divisors (2477361337).

1429437157943 is an equidigital number, since it uses as much as digits as its factorization.

1429437157943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2477361336.

The product of its digits is 22861440, while the sum is 59.

The spelling of 1429437157943 in words is "one trillion, four hundred twenty-nine billion, four hundred thirty-seven million, one hundred fifty-seven thousand, nine hundred forty-three".