8140519747 has 2 divisors, whose sum is σ = 8140519748. Its totient is φ = 8140519746.

The previous prime is 8140519729. The next prime is 8140519753. The reversal of 8140519747 is 7479150418.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8140519747 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8140519697 and 8140519706.

It is not a weakly prime, because it can be changed into another prime (8140519727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4070259873 + 4070259874.

It is an arithmetic number, because the mean of its divisors is an integer number (4070259874).

Almost surely, 2^8140519747 is an apocalyptic number.

8140519747 is a deficient number, since it is larger than the sum of its proper divisors (1).

8140519747 is an equidigital number, since it uses as much as digits as its factorization.

8140519747 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 282240, while the sum is 46.

The square root of 8140519747 is about 90224.8288831849. The cubic root of 8140519747 is about 2011.6420784263.

The spelling of 8140519747 in words is "eight billion, one hundred forty million, five hundred nineteen thousand, seven hundred forty-seven".