89434973451 has 8 divisors (see below), whose sum is σ = 120156911424. Its totient is φ = 59168175560.

The previous prime is 89434973443. The next prime is 89434973477. The reversal of 89434973451 is 15437943498.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 89434973451 - 2³ = 89434973443 is a prime.

It is a super-2 number, since 2×89434973451² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 89434973391 and 89434973400.

It is not an unprimeable number, because it can be changed into a prime (89434973431) 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 7 ways as a sum of consecutive naturals, for example, 113784561 + ... + 113785346.

It is an arithmetic number, because the mean of its divisors is an integer number (15019613928).

Almost surely, 2^89434973451 is an apocalyptic number.

89434973451 is a deficient number, since it is larger than the sum of its proper divisors (30721937973).

89434973451 is a wasteful number, since it uses less digits than its factorization.

89434973451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227570041.

The product of its digits is 13063680, while the sum is 57.

The spelling of 89434973451 in words is "eighty-nine billion, four hundred thirty-four million, nine hundred seventy-three thousand, four hundred fifty-one".