27019290722 has 18 divisors (see below), whose sum is σ = 41426352513. Its totient is φ = 13216859472.

The previous prime is 27019290719. The next prime is 27019290763. The reversal of 27019290722 is 22709291072.

It can be written as a sum of positive squares in 2 ways, for example, as 25281318001 + 1737972721 = 159001^2 + 41689^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=116231.

It is a super-2 number, since 2×27019290722² (a number of 22 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 27019290722.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 10924478 + ... + 10926950.

Almost surely, 2^27019290722 is an apocalyptic number.

27019290722 is a deficient number, since it is larger than the sum of its proper divisors (14407061791).

27019290722 is an frugal number, since it uses more digits than its factorization.

27019290722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5042 (or 2522 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 41.

The spelling of 27019290722 in words is "twenty-seven billion, nineteen million, two hundred ninety thousand, seven hundred twenty-two".