42152656897 has 32 divisors (see below), whose sum is σ = 47912770080. Its totient is φ = 36808611840.

The previous prime is 42152656879. The next prime is 42152656919. The reversal of 42152656897 is 79865625124.

It can be written as a sum of positive squares in 16 ways, for example, as 5435965441 + 36716691456 = 73729^2 + 191616^2 .

It is not a de Polignac number, because 42152656897 - 2¹⁹ = 42152132609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42152656097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26394103 + ... + 26395699.

It is an arithmetic number, because the mean of its divisors is an integer number (1497274065).

Almost surely, 2^42152656897 is an apocalyptic number.

It is an amenable number.

42152656897 is a deficient number, since it is larger than the sum of its proper divisors (5760113183).

42152656897 is a wasteful number, since it uses less digits than its factorization.

42152656897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3013.

The product of its digits is 7257600, while the sum is 55.

The spelling of 42152656897 in words is "forty-two billion, one hundred fifty-two million, six hundred fifty-six thousand, eight hundred ninety-seven".