8019969319 has 16 divisors (see below), whose sum is σ = 8143752960. Its totient is φ = 7897464000.

The previous prime is 8019969313. The next prime is 8019969341. The reversal of 8019969319 is 9139699108.

It is not a de Polignac number, because 8019969319 - 2³ = 8019969311 is a prime.

It is a super-2 number, since 2×8019969319² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8019969319.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8019969311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15944022 + ... + 15944524.

It is an arithmetic number, because the mean of its divisors is an integer number (508984560).

Almost surely, 2^8019969319 is an apocalyptic number.

8019969319 is a deficient number, since it is larger than the sum of its proper divisors (123783641).

8019969319 is a wasteful number, since it uses less digits than its factorization.

8019969319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1350.

The product of its (nonzero) digits is 944784, while the sum is 55.

The square root of 8019969319 is about 89554.2814107734. The cubic root of 8019969319 is about 2001.6627272027.

The spelling of 8019969319 in words is "eight billion, nineteen million, nine hundred sixty-nine thousand, three hundred nineteen".