7293213541 has 2 divisors, whose sum is σ = 7293213542. Its totient is φ = 7293213540.

The previous prime is 7293213533. The next prime is 7293213553. The reversal of 7293213541 is 1453123927.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6858324225 + 434889316 = 82815^2 + 20854^2 .

It is a cyclic number.

It is not a de Polignac number, because 7293213541 - 2³ = 7293213533 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7293213541.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7293213581) 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, 3646606770 + 3646606771.

It is an arithmetic number, because the mean of its divisors is an integer number (3646606771).

Almost surely, 2^7293213541 is an apocalyptic number.

It is an amenable number.

7293213541 is a deficient number, since it is larger than the sum of its proper divisors (1).

7293213541 is an equidigital number, since it uses as much as digits as its factorization.

7293213541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45360, while the sum is 37.

The square root of 7293213541 is about 85400.3134713216. The cubic root of 7293213541 is about 1939.2760912818.

The spelling of 7293213541 in words is "seven billion, two hundred ninety-three million, two hundred thirteen thousand, five hundred forty-one".