2649045952919 has 2 divisors, whose sum is σ = 2649045952920. Its totient is φ = 2649045952918.

The previous prime is 2649045952913. The next prime is 2649045953003. The reversal of 2649045952919 is 9192595409462.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2649045952919 is a prime.

It is a super-2 number, since 2×2649045952919² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2649045952913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1324522976459 + 1324522976460.

It is an arithmetic number, because the mean of its divisors is an integer number (1324522976460).

Almost surely, 2^{2649045952919} is an apocalyptic number.

2649045952919 is a deficient number, since it is larger than the sum of its proper divisors (1).

2649045952919 is an equidigital number, since it uses as much as digits as its factorization.

2649045952919 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62985600, while the sum is 65.

The spelling of 2649045952919 in words is "two trillion, six hundred forty-nine billion, forty-five million, nine hundred fifty-two thousand, nine hundred nineteen".