1420043434659 has 6 divisors (see below), whose sum is σ = 2051173850076. Its totient is φ = 946695623100.

The previous prime is 1420043434577. The next prime is 1420043434703. The reversal of 1420043434659 is 9564343400241.

1420043434659 is a `hidden beast` number, since 1 + 4 + 200 + 4 + 3 + 434 + 6 + 5 + 9 = 666.

It is not a de Polignac number, because 1420043434659 - 2⁷ = 1420043434531 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1420043434759) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 78891301917 + ... + 78891301934.

It is an arithmetic number, because the mean of its divisors is an integer number (341862308346).

Almost surely, 2^{1420043434659} is an apocalyptic number.

1420043434659 is a deficient number, since it is larger than the sum of its proper divisors (631130415417).

1420043434659 is a wasteful number, since it uses less digits than its factorization.

1420043434659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157782603857 (or 157782603854 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 45.

The spelling of 1420043434659 in words is "one trillion, four hundred twenty billion, forty-three million, four hundred thirty-four thousand, six hundred fifty-nine".