6552157264949 has 2 divisors, whose sum is σ = 6552157264950. Its totient is φ = 6552157264948.

The previous prime is 6552157264909. The next prime is 6552157264997. The reversal of 6552157264949 is 9494627512556.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6544310494225 + 7846770724 = 2558185^2 + 88582^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6552157264949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6552157264909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3276078632474 + 3276078632475.

It is an arithmetic number, because the mean of its divisors is an integer number (3276078632475).

Almost surely, 2^{6552157264949} is an apocalyptic number.

It is an amenable number.

6552157264949 is a deficient number, since it is larger than the sum of its proper divisors (1).

6552157264949 is an equidigital number, since it uses as much as digits as its factorization.

6552157264949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 163296000, while the sum is 65.

The spelling of 6552157264949 in words is "six trillion, five hundred fifty-two billion, one hundred fifty-seven million, two hundred sixty-four thousand, nine hundred forty-nine".