801097654321 has 8 divisors (see below), whose sum is σ = 818160497280. Its totient is φ = 784035570288.

The previous prime is 801097654319. The next prime is 801097654333. The reversal of 801097654321 is 123456790108.

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 801097654321 - 2¹ = 801097654319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (801097654351) 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, 2283570 + ... + 2610916.

It is an arithmetic number, because the mean of its divisors is an integer number (102270062160).

It is a 1-persistent number, because it is pandigital, but 2⋅801097654321 = 1602195308642 is not.

Almost surely, 2^801097654321 is an apocalyptic number.

It is an amenable number.

801097654321 is a deficient number, since it is larger than the sum of its proper divisors (17062842959).

801097654321 is a wasteful number, since it uses less digits than its factorization.

801097654321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379463.

The product of its (nonzero) digits is 362880, while the sum is 46.

The spelling of 801097654321 in words is "eight hundred one billion, ninety-seven million, six hundred fifty-four thousand, three hundred twenty-one".