7197051099 has 24 divisors (see below), whose sum is σ = 11650006528. Its totient is φ = 3870679680.

The previous prime is 7197051079. The next prime is 7197051131. The reversal of 7197051099 is 9901507917.

It is a happy number.

It is not a de Polignac number, because 7197051099 - 2⁹ = 7197050587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7197051079) 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 23 ways as a sum of consecutive naturals, for example, 586867 + ... + 599004.

Almost surely, 2^7197051099 is an apocalyptic number.

7197051099 is a deficient number, since it is larger than the sum of its proper divisors (4452955429).

7197051099 is a wasteful number, since it uses less digits than its factorization.

7197051099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1185915 (or 1185898 counting only the distinct ones).

The product of its (nonzero) digits is 178605, while the sum is 48.

The square root of 7197051099 is about 84835.4353970085. The cubic root of 7197051099 is about 1930.7151098224.

The spelling of 7197051099 in words is "seven billion, one hundred ninety-seven million, fifty-one thousand, ninety-nine".