42953535261 has 48 divisors (see below), whose sum is σ = 76413093120. Its totient is φ = 22641603840.

The previous prime is 42953535257. The next prime is 42953535269. The reversal of 42953535261 is 16253535924.

42953535261 is a `hidden beast` number, since 4 + 2 + 9 + 53 + 535 + 2 + 61 = 666.

It is not a de Polignac number, because 42953535261 - 2² = 42953535257 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42953535269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1260001 + ... + 1293641.

It is an arithmetic number, because the mean of its divisors is an integer number (1591939440).

Almost surely, 2^42953535261 is an apocalyptic number.

It is an amenable number.

42953535261 is a deficient number, since it is larger than the sum of its proper divisors (33459557859).

42953535261 is a wasteful number, since it uses less digits than its factorization.

42953535261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35226 (or 35223 counting only the distinct ones).

The product of its digits is 972000, while the sum is 45.

The spelling of 42953535261 in words is "forty-two billion, nine hundred fifty-three million, five hundred thirty-five thousand, two hundred sixty-one".