654698046891 has 8 divisors (see below), whose sum is σ = 997635119104. Its totient is φ = 374113169640.

The previous prime is 654698046881. The next prime is 654698046907. The reversal of 654698046891 is 198640896456.

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

It is not a de Polignac number, because 654698046891 - 2²² = 654693852587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (654698046881) 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, 15588048715 + ... + 15588048756.

It is an arithmetic number, because the mean of its divisors is an integer number (124704389888).

Almost surely, 2^654698046891 is an apocalyptic number.

654698046891 is a deficient number, since it is larger than the sum of its proper divisors (342937072213).

654698046891 is a wasteful number, since it uses less digits than its factorization.

654698046891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31176097481.

The product of its (nonzero) digits is 89579520, while the sum is 66.

The spelling of 654698046891 in words is "six hundred fifty-four billion, six hundred ninety-eight million, forty-six thousand, eight hundred ninety-one".