42974374069865 has 16 divisors (see below), whose sum is σ = 58939301100288. Its totient is φ = 29466633888576.

The previous prime is 42974374069813. The next prime is 42974374069903. The reversal of 42974374069865 is 56896047347924.

It is a cyclic number.

It is not a de Polignac number, because 42974374069865 - 2⁶ = 42974374069801 is a prime.

It is a super-2 number, since 2×42974374069865² (a number of 28 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (74) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 42974374069792 and 42974374069801.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30729782 + ... + 32097791.

It is an arithmetic number, because the mean of its divisors is an integer number (3683706318768).

Almost surely, 2^{42974374069865} is an apocalyptic number.

It is an amenable number.

42974374069865 is a deficient number, since it is larger than the sum of its proper divisors (15964927030423).

42974374069865 is a wasteful number, since it uses less digits than its factorization.

42974374069865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62847128.

The product of its (nonzero) digits is 2194698240, while the sum is 74.

The spelling of 42974374069865 in words is "forty-two trillion, nine hundred seventy-four billion, three hundred seventy-four million, sixty-nine thousand, eight hundred sixty-five".