8261976419 has 2 divisors, whose sum is σ = 8261976420. Its totient is φ = 8261976418.

The previous prime is 8261976367. The next prime is 8261976521. The reversal of 8261976419 is 9146791628.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8261976419 is a prime.

It is a super-2 number, since 2×8261976419² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8261979419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4130988209 + 4130988210.

It is an arithmetic number, because the mean of its divisors is an integer number (4130988210).

Almost surely, 2^8261976419 is an apocalyptic number.

8261976419 is a deficient number, since it is larger than the sum of its proper divisors (1).

8261976419 is an equidigital number, since it uses as much as digits as its factorization.

8261976419 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1306368, while the sum is 53.

The square root of 8261976419 is about 90895.4147303372. The cubic root of 8261976419 is about 2021.5973069229.

The spelling of 8261976419 in words is "eight billion, two hundred sixty-one million, nine hundred seventy-six thousand, four hundred nineteen".