83544154489 has 8 divisors (see below), whose sum is σ = 87180075072. Its totient is φ = 79908531120.

The previous prime is 83544154481. The next prime is 83544154501. The reversal of 83544154489 is 98445144538.

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 83544154489 - 2³ = 83544154481 is a prime.

It is a super-2 number, since 2×83544154489² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83544154481) 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, 650754 + ... + 768484.

It is an arithmetic number, because the mean of its divisors is an integer number (10897509384).

Almost surely, 2^83544154489 is an apocalyptic number.

It is an amenable number.

83544154489 is a deficient number, since it is larger than the sum of its proper divisors (3635920583).

83544154489 is a wasteful number, since it uses less digits than its factorization.

83544154489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148607.

The product of its digits is 11059200, while the sum is 55.

The spelling of 83544154489 in words is "eighty-three billion, five hundred forty-four million, one hundred fifty-four thousand, four hundred eighty-nine".