8250138619 has 2 divisors, whose sum is σ = 8250138620. Its totient is φ = 8250138618.

The previous prime is 8250138601. The next prime is 8250138653. The reversal of 8250138619 is 9168310528.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8250138619 - 2⁵ = 8250138587 is a prime.

It is a super-2 number, since 2×8250138619² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8250138119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4125069309 + 4125069310.

It is an arithmetic number, because the mean of its divisors is an integer number (4125069310).

Almost surely, 2^8250138619 is an apocalyptic number.

8250138619 is a deficient number, since it is larger than the sum of its proper divisors (1).

8250138619 is an equidigital number, since it uses as much as digits as its factorization.

8250138619 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 43.

The square root of 8250138619 is about 90830.2736922002. The cubic root of 8250138619 is about 2020.6313272710.

The spelling of 8250138619 in words is "eight billion, two hundred fifty million, one hundred thirty-eight thousand, six hundred nineteen".