2649031364949 has 16 divisors (see below), whose sum is σ = 3607463193600. Its totient is φ = 1728315880560.

The previous prime is 2649031364891. The next prime is 2649031365061. The reversal of 2649031364949 is 9494631309462.

It is a happy number.

It is not a de Polignac number, because 2649031364949 - 2⁷ = 2649031364821 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2649031364892 and 2649031364901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2649031364549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1190502 + ... + 2591400.

It is an arithmetic number, because the mean of its divisors is an integer number (225466449600).

Almost surely, 2^{2649031364949} is an apocalyptic number.

It is an amenable number.

2649031364949 is a deficient number, since it is larger than the sum of its proper divisors (958431828651).

2649031364949 is a wasteful number, since it uses less digits than its factorization.

2649031364949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1414360.

The product of its (nonzero) digits is 30233088, while the sum is 60.

The spelling of 2649031364949 in words is "two trillion, six hundred forty-nine billion, thirty-one million, three hundred sixty-four thousand, nine hundred forty-nine".