73933279989 has 8 divisors (see below), whose sum is σ = 98614322592. Its totient is φ = 49270545360.

The previous prime is 73933279969. The next prime is 73933280023. The reversal of 73933279989 is 98997233937.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 73933279989 - 2⁹ = 73933279477 is a prime.

It is a super-2 number, since 2×73933279989² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73933279909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4567567 + ... + 4583724.

It is an arithmetic number, because the mean of its divisors is an integer number (12326790324).

Almost surely, 2^73933279989 is an apocalyptic number.

It is an amenable number.

73933279989 is a deficient number, since it is larger than the sum of its proper divisors (24681042603).

73933279989 is a wasteful number, since it uses less digits than its factorization.

73933279989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9153987.

The product of its digits is 138883248, while the sum is 69.

The spelling of 73933279989 in words is "seventy-three billion, nine hundred thirty-three million, two hundred seventy-nine thousand, nine hundred eighty-nine".