42853120612691 has 2 divisors, whose sum is σ = 42853120612692. Its totient is φ = 42853120612690.

The previous prime is 42853120612663. The next prime is 42853120612727. The reversal of 42853120612691 is 19621602135824.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42853120612691 is a prime.

It is a super-2 number, since 2×42853120612691² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42853150612691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21426560306345 + 21426560306346.

It is an arithmetic number, because the mean of its divisors is an integer number (21426560306346).

Almost surely, 2^{42853120612691} is an apocalyptic number.

42853120612691 is a deficient number, since it is larger than the sum of its proper divisors (1).

42853120612691 is an equidigital number, since it uses as much as digits as its factorization.

42853120612691 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1244160, while the sum is 50.

The spelling of 42853120612691 in words is "forty-two trillion, eight hundred fifty-three billion, one hundred twenty million, six hundred twelve thousand, six hundred ninety-one".