7973186249 has 16 divisors (see below), whose sum is σ = 9159749760. Its totient is φ = 6798591360.

The previous prime is 7973186189. The next prime is 7973186251. The reversal of 7973186249 is 9426813797.

It is a cyclic number.

It is not a de Polignac number, because 7973186249 - 2⁸ = 7973185993 is a prime.

It is a super-2 number, since 2×7973186249² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 7973186194 and 7973186203.

It is not an unprimeable number, because it can be changed into a prime (7973186849) 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, 1306397 + ... + 1312485.

It is an arithmetic number, because the mean of its divisors is an integer number (572484360).

Almost surely, 2^7973186249 is an apocalyptic number.

It is an amenable number.

7973186249 is a deficient number, since it is larger than the sum of its proper divisors (1186563511).

7973186249 is a wasteful number, since it uses less digits than its factorization.

7973186249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7040.

The product of its digits is 4572288, while the sum is 56.

The square root of 7973186249 is about 89292.6998639866. The cubic root of 7973186249 is about 1997.7630196423.

The spelling of 7973186249 in words is "seven billion, nine hundred seventy-three million, one hundred eighty-six thousand, two hundred forty-nine".