42190656915 has 64 divisors (see below), whose sum is σ = 74451497472. Its totient is φ = 20400716160.

The previous prime is 42190656913. The next prime is 42190656917. The reversal of 42190656915 is 51965609124.

It is an interprime number because it is at equal distance from previous prime (42190656913) and next prime (42190656917).

It is not a de Polignac number, because 42190656915 - 2¹ = 42190656913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42190656913) 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 in 63 ways as a sum of consecutive naturals, for example, 7923444 + ... + 7928766.

It is an arithmetic number, because the mean of its divisors is an integer number (1163304648).

Almost surely, 2^42190656915 is an apocalyptic number.

42190656915 is a deficient number, since it is larger than the sum of its proper divisors (32260840557).

42190656915 is a wasteful number, since it uses less digits than its factorization.

42190656915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5761 (or 5739 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 48.

The spelling of 42190656915 in words is "forty-two billion, one hundred ninety million, six hundred fifty-six thousand, nine hundred fifteen".