3953546193049 has 2 divisors, whose sum is σ = 3953546193050. Its totient is φ = 3953546193048.

The previous prime is 3953546192957. The next prime is 3953546193071. The reversal of 3953546193049 is 9403916453593.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3852752642649 + 100793550400 = 1962843^2 + 317480^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3953546193049 is a prime.

It is not a weakly prime, because it can be changed into another prime (3953546193749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1976773096524 + 1976773096525.

It is an arithmetic number, because the mean of its divisors is an integer number (1976773096525).

Almost surely, 2^{3953546193049} is an apocalyptic number.

It is an amenable number.

3953546193049 is a deficient number, since it is larger than the sum of its proper divisors (1).

3953546193049 is an equidigital number, since it uses as much as digits as its factorization.

3953546193049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47239200, while the sum is 61.

The spelling of 3953546193049 in words is "three trillion, nine hundred fifty-three billion, five hundred forty-six million, one hundred ninety-three thousand, forty-nine".