7199928149851 has 2 divisors, whose sum is σ = 7199928149852. Its totient is φ = 7199928149850.

The previous prime is 7199928149837. The next prime is 7199928149893. The reversal of 7199928149851 is 1589418299917.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7199928149851 - 2⁹ = 7199928149339 is a prime.

It is a super-2 number, since 2×7199928149851² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7199928149831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3599964074925 + 3599964074926.

It is an arithmetic number, because the mean of its divisors is an integer number (3599964074926).

Almost surely, 2^{7199928149851} is an apocalyptic number.

7199928149851 is a deficient number, since it is larger than the sum of its proper divisors (1).

7199928149851 is an equidigital number, since it uses as much as digits as its factorization.

7199928149851 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 117573120, while the sum is 73.

The spelling of 7199928149851 in words is "seven trillion, one hundred ninety-nine billion, nine hundred twenty-eight million, one hundred forty-nine thousand, eight hundred fifty-one".