7837252949 has 2 divisors, whose sum is σ = 7837252950. Its totient is φ = 7837252948.

The previous prime is 7837252883. The next prime is 7837252957. The reversal of 7837252949 is 9492527387.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7539448900 + 297804049 = 86830^2 + 17257^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7837252949 is a prime.

It is a super-2 number, since 2×7837252949² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7837252894 and 7837252903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7837252979) 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 as a sum of consecutive naturals, namely, 3918626474 + 3918626475.

It is an arithmetic number, because the mean of its divisors is an integer number (3918626475).

Almost surely, 2^7837252949 is an apocalyptic number.

It is an amenable number.

7837252949 is a deficient number, since it is larger than the sum of its proper divisors (1).

7837252949 is an equidigital number, since it uses as much as digits as its factorization.

7837252949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7620480, while the sum is 56.

The square root of 7837252949 is about 88528.2607363321. The cubic root of 7837252949 is about 1986.3447246654.

The spelling of 7837252949 in words is "seven billion, eight hundred thirty-seven million, two hundred fifty-two thousand, nine hundred forty-nine".