2601601157819 has 2 divisors, whose sum is σ = 2601601157820. Its totient is φ = 2601601157818.

The previous prime is 2601601157789. The next prime is 2601601157833. The reversal of 2601601157819 is 9187511061062.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2601601157819 is a prime.

It is a super-2 number, since 2×2601601157819² (a number of 26 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2601606157819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1300800578909 + 1300800578910.

It is an arithmetic number, because the mean of its divisors is an integer number (1300800578910).

Almost surely, 2^{2601601157819} is an apocalyptic number.

2601601157819 is a deficient number, since it is larger than the sum of its proper divisors (1).

2601601157819 is an equidigital number, since it uses as much as digits as its factorization.

2601601157819 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 47.

The spelling of 2601601157819 in words is "two trillion, six hundred one billion, six hundred one million, one hundred fifty-seven thousand, eight hundred nineteen".