70342840343 has 2 divisors, whose sum is σ = 70342840344. Its totient is φ = 70342840342.

The previous prime is 70342840283. The next prime is 70342840409. The reversal of 70342840343 is 34304824307.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-70342840343 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 70342840297 and 70342840306.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70342840643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35171420171 + 35171420172.

It is an arithmetic number, because the mean of its divisors is an integer number (35171420172).

Almost surely, 2^70342840343 is an apocalyptic number.

70342840343 is a deficient number, since it is larger than the sum of its proper divisors (1).

70342840343 is an equidigital number, since it uses as much as digits as its factorization.

70342840343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 193536, while the sum is 38.

The spelling of 70342840343 in words is "seventy billion, three hundred forty-two million, eight hundred forty thousand, three hundred forty-three".