42215270437 has 4 divisors (see below), whose sum is σ = 42299197920. Its totient is φ = 42131342956.

The previous prime is 42215270401. The next prime is 42215270459. The reversal of 42215270437 is 73407251224.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42215270437 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42215270396 and 42215270405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42215270497) 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 3 ways as a sum of consecutive naturals, for example, 41962987 + ... + 41963992.

It is an arithmetic number, because the mean of its divisors is an integer number (10574799480).

Almost surely, 2^42215270437 is an apocalyptic number.

It is an amenable number.

42215270437 is a deficient number, since it is larger than the sum of its proper divisors (83927483).

42215270437 is an equidigital number, since it uses as much as digits as its factorization.

42215270437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83927482.

The product of its (nonzero) digits is 94080, while the sum is 37.

The spelling of 42215270437 in words is "forty-two billion, two hundred fifteen million, two hundred seventy thousand, four hundred thirty-seven".