42693687436 has 12 divisors (see below), whose sum is σ = 76451487112. Its totient is φ = 20850405408.

The previous prime is 42693687433. The next prime is 42693687437. The reversal of 42693687436 is 63478639624.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (42693687431) 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, 124109385 + ... + 124109728.

Almost surely, 2^42693687436 is an apocalyptic number.

It is an amenable number.

42693687436 is a deficient number, since it is larger than the sum of its proper divisors (33757799676).

42693687436 is a wasteful number, since it uses less digits than its factorization.

42693687436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248219160 (or 248219158 counting only the distinct ones).

The product of its digits is 31352832, while the sum is 58.

The spelling of 42693687436 in words is "forty-two billion, six hundred ninety-three million, six hundred eighty-seven thousand, four hundred thirty-six".