42465997737 has 20 divisors (see below), whose sum is σ = 63442695316. Its totient is φ = 28308061440.

The previous prime is 42465997699. The next prime is 42465997771. The reversal of 42465997737 is 73779956424.

42465997737 is a `hidden beast` number, since 4 + 2 + 4 + 6 + 599 + 7 + 7 + 37 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 9467095401 + 32998902336 = 97299^2 + 181656^2 .

It is not a de Polignac number, because 42465997737 - 2¹² = 42465993641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42465997787) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1325613 + ... + 1357269.

Almost surely, 2^42465997737 is an apocalyptic number.

It is an amenable number.

42465997737 is a deficient number, since it is larger than the sum of its proper divisors (20976697579).

42465997737 is a wasteful number, since it uses less digits than its factorization.

42465997737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48230 (or 48221 counting only the distinct ones).

The product of its digits is 80015040, while the sum is 63.

The spelling of 42465997737 in words is "forty-two billion, four hundred sixty-five million, nine hundred ninety-seven thousand, seven hundred thirty-seven".