42567953697 has 6 divisors (see below), whose sum is σ = 61487044242. Its totient is φ = 28378635792.

The previous prime is 42567953683. The next prime is 42567953741. The reversal of 42567953697 is 79635976524.

42567953697 is a `hidden beast` number, since 4 + 2 + 5 + 6 + 7 + 9 + 536 + 97 = 666.

It can be written as a sum of positive squares in only one way, i.e., 37045085841 + 5522867856 = 192471^2 + 74316^2 .

It is not a de Polignac number, because 42567953697 - 2¹⁹ = 42567429409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42567955697) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2364886308 + ... + 2364886325.

It is an arithmetic number, because the mean of its divisors is an integer number (10247840707).

Almost surely, 2^42567953697 is an apocalyptic number.

It is an amenable number.

42567953697 is a deficient number, since it is larger than the sum of its proper divisors (18919090545).

42567953697 is a wasteful number, since it uses less digits than its factorization.

42567953697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4729772639 (or 4729772636 counting only the distinct ones).

The product of its digits is 85730400, while the sum is 63.

The spelling of 42567953697 in words is "forty-two billion, five hundred sixty-seven million, nine hundred fifty-three thousand, six hundred ninety-seven".