8321201017619 has 12 divisors (see below), whose sum is σ = 9741419008704. Its totient is φ = 7087028339664.

The previous prime is 8321201017609. The next prime is 8321201017663. The reversal of 8321201017619 is 9167101021238.

It is not a de Polignac number, because 8321201017619 - 2⁴ = 8321201017603 is a prime.

It is a super-2 number, since 2×8321201017619² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8321201017609) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 540821699 + ... + 540837084.

It is an arithmetic number, because the mean of its divisors is an integer number (811784917392).

Almost surely, 2^{8321201017619} is an apocalyptic number.

8321201017619 is a deficient number, since it is larger than the sum of its proper divisors (1420217991085).

8321201017619 is a wasteful number, since it uses less digits than its factorization.

8321201017619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1081658954 (or 1081658947 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 41.

The spelling of 8321201017619 in words is "eight trillion, three hundred twenty-one billion, two hundred one million, seventeen thousand, six hundred nineteen".