3195329454749 has 2 divisors, whose sum is σ = 3195329454750. Its totient is φ = 3195329454748.

The previous prime is 3195329454719. The next prime is 3195329454817. The reversal of 3195329454749 is 9474549235913.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3101719768900 + 93609685849 = 1761170^2 + 305957^2 .

It is a cyclic number.

It is not a de Polignac number, because 3195329454749 - 2¹² = 3195329450653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3195329454719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1597664727374 + 1597664727375.

It is an arithmetic number, because the mean of its divisors is an integer number (1597664727375).

Almost surely, 2^{3195329454749} is an apocalyptic number.

It is an amenable number.

3195329454749 is a deficient number, since it is larger than the sum of its proper divisors (1).

3195329454749 is an equidigital number, since it uses as much as digits as its factorization.

3195329454749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 146966400, while the sum is 65.

The spelling of 3195329454749 in words is "three trillion, one hundred ninety-five billion, three hundred twenty-nine million, four hundred fifty-four thousand, seven hundred forty-nine".