42692696545 has 4 divisors (see below), whose sum is σ = 51231235860. Its totient is φ = 34154157232.

The previous prime is 42692696537. The next prime is 42692696549. The reversal of 42692696545 is 54569629624.

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

It can be written as a sum of positive squares in 2 ways, for example, as 31354493184 + 11338203361 = 177072^2 + 106481^2 .

It is a cyclic number.

It is not a de Polignac number, because 42692696545 - 2³ = 42692696537 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 42692696545.

It is not an unprimeable number, because it can be changed into a prime (42692696549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4269269650 + ... + 4269269659.

It is an arithmetic number, because the mean of its divisors is an integer number (12807808965).

Almost surely, 2^42692696545 is an apocalyptic number.

It is an amenable number.

42692696545 is a deficient number, since it is larger than the sum of its proper divisors (8538539315).

42692696545 is an equidigital number, since it uses as much as digits as its factorization.

42692696545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8538539314.

The product of its digits is 27993600, while the sum is 58.

The spelling of 42692696545 in words is "forty-two billion, six hundred ninety-two million, six hundred ninety-six thousand, five hundred forty-five".