42941934985 has 8 divisors (see below), whose sum is σ = 51590737800. Its totient is φ = 34313270784.

The previous prime is 42941934983. The next prime is 42941935027. The reversal of 42941934985 is 58943914924.

It can be written as a sum of positive squares in 4 ways, for example, as 3715755849 + 39226179136 = 60957^2 + 198056^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42941934985 - 2¹ = 42941934983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42941934983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5029960 + ... + 5038489.

It is an arithmetic number, because the mean of its divisors is an integer number (6448842225).

Almost surely, 2^42941934985 is an apocalyptic number.

It is an amenable number.

42941934985 is a deficient number, since it is larger than the sum of its proper divisors (8648802815).

42941934985 is a wasteful number, since it uses less digits than its factorization.

42941934985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10069307.

The product of its digits is 11197440, while the sum is 58.

The spelling of 42941934985 in words is "forty-two billion, nine hundred forty-one million, nine hundred thirty-four thousand, nine hundred eighty-five".