42293623688 has 8 divisors (see below), whose sum is σ = 79300544430. Its totient is φ = 21146811840.

The previous prime is 42293623657. The next prime is 42293623709. The reversal of 42293623688 is 88632639224.

It can be written as a sum of positive squares in only one way, i.e., 30737803684 + 11555820004 = 175322^2 + 107498^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2643351473 + ... + 2643351488.

Almost surely, 2^42293623688 is an apocalyptic number.

It is an amenable number.

42293623688 is a deficient number, since it is larger than the sum of its proper divisors (37006920742).

42293623688 is a wasteful number, since it uses less digits than its factorization.

42293623688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5286702967 (or 5286702963 counting only the distinct ones).

The product of its digits is 5971968, while the sum is 53.

The spelling of 42293623688 in words is "forty-two billion, two hundred ninety-three million, six hundred twenty-three thousand, six hundred eighty-eight".