42970744809 has 64 divisors (see below), whose sum is σ = 66551040000. Its totient is φ = 27368953920.

The previous prime is 42970744799. The next prime is 42970744823. The reversal of 42970744809 is 90844707924.

It is a happy number.

42970744809 is a `hidden beast` number, since 4 + 2 + 97 + 0 + 74 + 480 + 9 = 666.

It is not a de Polignac number, because 42970744809 - 2⁵ = 42970744777 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (42970744879) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 32876734 + ... + 32878040.

It is an arithmetic number, because the mean of its divisors is an integer number (1039860000).

Almost surely, 2^42970744809 is an apocalyptic number.

It is an amenable number.

42970744809 is a deficient number, since it is larger than the sum of its proper divisors (23580295191).

42970744809 is a wasteful number, since it uses less digits than its factorization.

42970744809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1755 (or 1749 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 54.

The spelling of 42970744809 in words is "forty-two billion, nine hundred seventy million, seven hundred forty-four thousand, eight hundred nine".