42743034613 has 2 divisors, whose sum is σ = 42743034614. Its totient is φ = 42743034612.

The previous prime is 42743034589. The next prime is 42743034739. The reversal of 42743034613 is 31643034724.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34150300804 + 8592733809 = 184798^2 + 92697^2 .

It is a cyclic number.

It is not a de Polignac number, because 42743034613 - 2²¹ = 42740937461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42743035613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21371517306 + 21371517307.

It is an arithmetic number, because the mean of its divisors is an integer number (21371517307).

Almost surely, 2^42743034613 is an apocalyptic number.

It is an amenable number.

42743034613 is a deficient number, since it is larger than the sum of its proper divisors (1).

42743034613 is an equidigital number, since it uses as much as digits as its factorization.

42743034613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 37.

The spelling of 42743034613 in words is "forty-two billion, seven hundred forty-three million, thirty-four thousand, six hundred thirteen".