8020690919 has 2 divisors, whose sum is σ = 8020690920. Its totient is φ = 8020690918.

The previous prime is 8020690889. The next prime is 8020690927. The reversal of 8020690919 is 9190960208.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8020690919 - 2²⁴ = 8003913703 is a prime.

It is a super-2 number, since 2×8020690919² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8020690919.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8020690999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4010345459 + 4010345460.

It is an arithmetic number, because the mean of its divisors is an integer number (4010345460).

Almost surely, 2^8020690919 is an apocalyptic number.

8020690919 is a deficient number, since it is larger than the sum of its proper divisors (1).

8020690919 is an equidigital number, since it uses as much as digits as its factorization.

8020690919 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69984, while the sum is 44.

The square root of 8020690919 is about 89558.3101615925. The cubic root of 8020690919 is about 2001.7227588748.

The spelling of 8020690919 in words is "eight billion, twenty million, six hundred ninety thousand, nine hundred nineteen".