7197409953 has 12 divisors (see below), whose sum is σ = 10781305808. Its totient is φ = 4798273140.

The previous prime is 7197409951. The next prime is 7197409981. The reversal of 7197409953 is 3599047917.

It is a happy number.

It is not a de Polignac number, because 7197409953 - 2¹ = 7197409951 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7197409953.

It is not an unprimeable number, because it can be changed into a prime (7197409951) 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 11 ways as a sum of consecutive naturals, for example, 14809243 + ... + 14809728.

Almost surely, 2^7197409953 is an apocalyptic number.

It is an amenable number.

7197409953 is a deficient number, since it is larger than the sum of its proper divisors (3583895855).

7197409953 is an equidigital number, since it uses as much as digits as its factorization.

7197409953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29618986 (or 29618974 counting only the distinct ones).

The product of its (nonzero) digits is 2143260, while the sum is 54.

The square root of 7197409953 is about 84837.5503712831. The cubic root of 7197409953 is about 1930.7471985819.

The spelling of 7197409953 in words is "seven billion, one hundred ninety-seven million, four hundred nine thousand, nine hundred fifty-three".