42598991756 has 6 divisors (see below), whose sum is σ = 74548235580. Its totient is φ = 21299495876.

The previous prime is 42598991753. The next prime is 42598991767. The reversal of 42598991756 is 65719989524.

It is a junction number, because it is equal to n+sod(n) for n = 42598991692 and 42598991701.

It is not an unprimeable number, because it can be changed into a prime (42598991753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5324873966 + ... + 5324873973.

It is an arithmetic number, because the mean of its divisors is an integer number (12424705930).

Almost surely, 2^42598991756 is an apocalyptic number.

It is an amenable number.

42598991756 is a deficient number, since it is larger than the sum of its proper divisors (31949243824).

42598991756 is a wasteful number, since it uses less digits than its factorization.

42598991756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10649747943 (or 10649747941 counting only the distinct ones).

The product of its digits is 48988800, while the sum is 65.

The spelling of 42598991756 in words is "forty-two billion, five hundred ninety-eight million, nine hundred ninety-one thousand, seven hundred fifty-six".