42370981947 has 72 divisors (see below), whose sum is σ = 72603438336. Its totient is φ = 23324680512.

The previous prime is 42370981937. The next prime is 42370981969. The reversal of 42370981947 is 74918907324.

42370981947 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42370981947 - 2¹¹ = 42370979899 is a prime.

It is a super-2 number, since 2×42370981947² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42370981893 and 42370981902.

It is not an unprimeable number, because it can be changed into a prime (42370981927) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 43816458 + ... + 43817424.

It is an arithmetic number, because the mean of its divisors is an integer number (1008381088).

Almost surely, 2^42370981947 is an apocalyptic number.

42370981947 is a deficient number, since it is larger than the sum of its proper divisors (30232456389).

42370981947 is a wasteful number, since it uses less digits than its factorization.

42370981947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1865 (or 1833 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 54.

The spelling of 42370981947 in words is "forty-two billion, three hundred seventy million, nine hundred eighty-one thousand, nine hundred forty-seven".