7711631949 has 12 divisors (see below), whose sum is σ = 11751671456. Its totient is φ = 4406416872.

The previous prime is 7711631933. The next prime is 7711631957. The reversal of 7711631949 is 9491361177.

7711631949 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7711631949 - 2⁴ = 7711631933 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7711631898 and 7711631907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7711631909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 392842 + ... + 412004.

Almost surely, 2^7711631949 is an apocalyptic number.

It is an amenable number.

7711631949 is a deficient number, since it is larger than the sum of its proper divisors (4040039507).

7711631949 is an frugal number, since it uses more digits than its factorization.

7711631949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38336 (or 19173 counting only the distinct ones).

The product of its digits is 285768, while the sum is 48.

The square root of 7711631949 is about 87815.8980424388. The cubic root of 7711631949 is about 1975.6746676727.

The spelling of 7711631949 in words is "seven billion, seven hundred eleven million, six hundred thirty-one thousand, nine hundred forty-nine".