2511354649 has 2 divisors, whose sum is σ = 2511354650. Its totient is φ = 2511354648.

The previous prime is 2511354623. The next prime is 2511354661. The reversal of 2511354649 is 9464531152.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2243443225 + 267911424 = 47365^2 + 16368^2 .

It is a cyclic number.

It is not a de Polignac number, because 2511354649 - 2⁵ = 2511354617 is a prime.

It is not a weakly prime, because it can be changed into another prime (2511354449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1255677324 + 1255677325.

It is an arithmetic number, because the mean of its divisors is an integer number (1255677325).

Almost surely, 2^2511354649 is an apocalyptic number.

It is an amenable number.

2511354649 is a deficient number, since it is larger than the sum of its proper divisors (1).

2511354649 is an equidigital number, since it uses as much as digits as its factorization.

2511354649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129600, while the sum is 40.

The square root of 2511354649 is about 50113.4178539042. The cubic root of 2511354649 is about 1359.2604559452.

The spelling of 2511354649 in words is "two billion, five hundred eleven million, three hundred fifty-four thousand, six hundred forty-nine".