7492241381 has 2 divisors, whose sum is σ = 7492241382. Its totient is φ = 7492241380.

The previous prime is 7492241371. The next prime is 7492241423. The reversal of 7492241381 is 1831422947.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7487440900 + 4800481 = 86530^2 + 2191^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7492241381 is a prime.

It is a super-2 number, since 2×7492241381² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7492241371) 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 as a sum of consecutive naturals, namely, 3746120690 + 3746120691.

It is an arithmetic number, because the mean of its divisors is an integer number (3746120691).

Almost surely, 2^7492241381 is an apocalyptic number.

It is an amenable number.

7492241381 is a deficient number, since it is larger than the sum of its proper divisors (1).

7492241381 is an equidigital number, since it uses as much as digits as its factorization.

7492241381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96768, while the sum is 41.

The square root of 7492241381 is about 86557.7343800079. The cubic root of 7492241381 is about 1956.7586106674.

The spelling of 7492241381 in words is "seven billion, four hundred ninety-two million, two hundred forty-one thousand, three hundred eighty-one".