7481992134187 has 2 divisors, whose sum is σ = 7481992134188. Its totient is φ = 7481992134186.

The previous prime is 7481992134083. The next prime is 7481992134223. The reversal of 7481992134187 is 7814312991847.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7481992134187 - 2²⁷ = 7481857916459 is a prime.

It is a super-2 number, since 2×7481992134187² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7481992134587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3740996067093 + 3740996067094.

It is an arithmetic number, because the mean of its divisors is an integer number (3740996067094).

Almost surely, 2^{7481992134187} is an apocalyptic number.

7481992134187 is a deficient number, since it is larger than the sum of its proper divisors (1).

7481992134187 is an equidigital number, since it uses as much as digits as its factorization.

7481992134187 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24385536, while the sum is 64.

The spelling of 7481992134187 in words is "seven trillion, four hundred eighty-one billion, nine hundred ninety-two million, one hundred thirty-four thousand, one hundred eighty-seven".