7292828381 has 2 divisors, whose sum is σ = 7292828382. Its totient is φ = 7292828380.

The previous prime is 7292828369. The next prime is 7292828441. The reversal of 7292828381 is 1838282927.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3749602756 + 3543225625 = 61234^2 + 59525^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7292828381 is a prime.

It is a super-2 number, since 2×7292828381² (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 (7292828981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3646414190 + 3646414191.

It is an arithmetic number, because the mean of its divisors is an integer number (3646414191).

Almost surely, 2^7292828381 is an apocalyptic number.

It is an amenable number.

7292828381 is a deficient number, since it is larger than the sum of its proper divisors (1).

7292828381 is an equidigital number, since it uses as much as digits as its factorization.

7292828381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 774144, while the sum is 50.

The square root of 7292828381 is about 85398.0584146970. The cubic root of 7292828381 is about 1939.2419524793.

The spelling of 7292828381 in words is "seven billion, two hundred ninety-two million, eight hundred twenty-eight thousand, three hundred eighty-one".