6469126896949 has 2 divisors, whose sum is σ = 6469126896950. Its totient is φ = 6469126896948.

The previous prime is 6469126896941. The next prime is 6469126896971. The reversal of 6469126896949 is 9496986219646.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6349467634225 + 119659262724 = 2519815^2 + 345918^2 .

It is a cyclic number.

It is not a de Polignac number, because 6469126896949 - 2³ = 6469126896941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6469126896941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3234563448474 + 3234563448475.

It is an arithmetic number, because the mean of its divisors is an integer number (3234563448475).

Almost surely, 2^{6469126896949} is an apocalyptic number.

It is an amenable number.

6469126896949 is a deficient number, since it is larger than the sum of its proper divisors (1).

6469126896949 is an equidigital number, since it uses as much as digits as its factorization.

6469126896949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2176782336, while the sum is 79.

The spelling of 6469126896949 in words is "six trillion, four hundred sixty-nine billion, one hundred twenty-six million, eight hundred ninety-six thousand, nine hundred forty-nine".