1980364719 has 8 divisors (see below), whose sum is σ = 2640748720. Its totient is φ = 1320111936.

The previous prime is 1980364703. The next prime is 1980364733. The reversal of 1980364719 is 9174630891.

It is a happy number.

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

It is not a de Polignac number, because 1980364719 - 2⁴ = 1980364703 is a prime.

It is a super-2 number, since 2×1980364719² = 7843688840519897922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1980364219) 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, 10629 + ... + 63825.

It is an arithmetic number, because the mean of its divisors is an integer number (330093590).

Almost surely, 2^1980364719 is an apocalyptic number.

1980364719 is a deficient number, since it is larger than the sum of its proper divisors (660384001).

1980364719 is a wasteful number, since it uses less digits than its factorization.

1980364719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65609.

The product of its (nonzero) digits is 326592, while the sum is 48.

The square root of 1980364719 is about 44501.2889588605. The cubic root of 1980364719 is about 1255.7843319688.

The spelling of 1980364719 in words is "one billion, nine hundred eighty million, three hundred sixty-four thousand, seven hundred nineteen".