6191542361 has 2 divisors, whose sum is σ = 6191542362. Its totient is φ = 6191542360.

The previous prime is 6191542337. The next prime is 6191542367. The reversal of 6191542361 is 1632451916.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5318930761 + 872611600 = 72931^2 + 29540^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6191542361 is a prime.

It is not a weakly prime, because it can be changed into another prime (6191542367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3095771180 + 3095771181.

It is an arithmetic number, because the mean of its divisors is an integer number (3095771181).

Almost surely, 2^6191542361 is an apocalyptic number.

It is an amenable number.

6191542361 is a deficient number, since it is larger than the sum of its proper divisors (1).

6191542361 is an equidigital number, since it uses as much as digits as its factorization.

6191542361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38880, while the sum is 38.

The square root of 6191542361 is about 78686.3543506751. The cubic root of 6191542361 is about 1836.2548231808.

The spelling of 6191542361 in words is "six billion, one hundred ninety-one million, five hundred forty-two thousand, three hundred sixty-one".