89473020613 has 4 divisors (see below), whose sum is σ = 93363151968. Its totient is φ = 85582889260.

The previous prime is 89473020589. The next prime is 89473020629. The reversal of 89473020613 is 31602037498.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 89473020613 - 2⁹ = 89473020101 is a prime.

It is a super-2 number, since 2×89473020613² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 89473020613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89473020913) 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 3 ways as a sum of consecutive naturals, for example, 1945065643 + ... + 1945065688.

It is an arithmetic number, because the mean of its divisors is an integer number (23340787992).

Almost surely, 2^89473020613 is an apocalyptic number.

It is an amenable number.

89473020613 is a deficient number, since it is larger than the sum of its proper divisors (3890131355).

89473020613 is a wasteful number, since it uses less digits than its factorization.

89473020613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3890131354.

The product of its (nonzero) digits is 217728, while the sum is 43.

The spelling of 89473020613 in words is "eighty-nine billion, four hundred seventy-three million, twenty thousand, six hundred thirteen".