42279775364 has 6 divisors (see below), whose sum is σ = 73989606894. Its totient is φ = 21139887680.

The previous prime is 42279775361. The next prime is 42279775367. The reversal of 42279775364 is 46357797224.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (42279775361) and next prime (42279775367).

It can be written as a sum of positive squares in only one way, i.e., 39916843264 + 2362932100 = 199792^2 + 48610^2 .

It is not an unprimeable number, because it can be changed into a prime (42279775361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5284971917 + ... + 5284971924.

It is an arithmetic number, because the mean of its divisors is an integer number (12331601149).

Almost surely, 2^42279775364 is an apocalyptic number.

It is an amenable number.

42279775364 is a deficient number, since it is larger than the sum of its proper divisors (31709831530).

42279775364 is a wasteful number, since it uses less digits than its factorization.

42279775364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10569943845 (or 10569943843 counting only the distinct ones).

The product of its digits is 17781120, while the sum is 56.

The spelling of 42279775364 in words is "forty-two billion, two hundred seventy-nine million, seven hundred seventy-five thousand, three hundred sixty-four".