2619148991 has 2 divisors, whose sum is σ = 2619148992. Its totient is φ = 2619148990.

The previous prime is 2619148967. The next prime is 2619148997. The reversal of 2619148991 is 1998419162.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2619148991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2619148997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1309574495 + 1309574496.

It is an arithmetic number, because the mean of its divisors is an integer number (1309574496).

Almost surely, 2^2619148991 is an apocalyptic number.

2619148991 is a deficient number, since it is larger than the sum of its proper divisors (1).

2619148991 is an equidigital number, since it uses as much as digits as its factorization.

2619148991 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 279936, while the sum is 50.

The square root of 2619148991 is about 51177.6219748437. The cubic root of 2619148991 is about 1378.4364057339.

The spelling of 2619148991 in words is "two billion, six hundred nineteen million, one hundred forty-eight thousand, nine hundred ninety-one".