74786950989 has 12 divisors (see below), whose sum is σ = 108028866816. Its totient is φ = 49856457672.

The previous prime is 74786950963. The next prime is 74786951033. The reversal of 74786950989 is 98905968747.

74786950989 is a `hidden beast` number, since 7 + 478 + 69 + 5 + 0 + 98 + 9 = 666.

It is not a de Polignac number, because 74786950989 - 2²³ = 74778562381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74786957989) 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 11 ways as a sum of consecutive naturals, for example, 245674 + ... + 458180.

It is an arithmetic number, because the mean of its divisors is an integer number (9002405568).

Almost surely, 2^74786950989 is an apocalyptic number.

It is an amenable number.

74786950989 is a deficient number, since it is larger than the sum of its proper divisors (33241915827).

74786950989 is a wasteful number, since it uses less digits than its factorization.

74786950989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251616 (or 251613 counting only the distinct ones).

The product of its (nonzero) digits is 274337280, while the sum is 72.

The spelling of 74786950989 in words is "seventy-four billion, seven hundred eighty-six million, nine hundred fifty thousand, nine hundred eighty-nine".