42650933787 has 24 divisors (see below), whose sum is σ = 76808609280. Its totient is φ = 22156328880.

The previous prime is 42650933749. The next prime is 42650933833. The reversal of 42650933787 is 78733905624.

42650933787 is a `hidden beast` number, since 4 + 26 + 509 + 3 + 37 + 87 = 666.

It is not a de Polignac number, because 42650933787 - 2¹² = 42650929691 is a prime.

It is a super-2 number, since 2×42650933787² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42650933707) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 30771987 + ... + 30773372.

It is an arithmetic number, because the mean of its divisors is an integer number (3200358720).

Almost surely, 2^42650933787 is an apocalyptic number.

42650933787 is a deficient number, since it is larger than the sum of its proper divisors (34157675493).

42650933787 is a wasteful number, since it uses less digits than its factorization.

42650933787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61545383 (or 61545380 counting only the distinct ones).

The product of its (nonzero) digits is 7620480, while the sum is 54.

The spelling of 42650933787 in words is "forty-two billion, six hundred fifty million, nine hundred thirty-three thousand, seven hundred eighty-seven".