7466273821 has 2 divisors, whose sum is σ = 7466273822. Its totient is φ = 7466273820.

The previous prime is 7466273753. The next prime is 7466273827. The reversal of 7466273821 is 1283726647.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3817509796 + 3648764025 = 61786^2 + 60405^2 .

It is a cyclic number.

It is not a de Polignac number, because 7466273821 - 2¹³ = 7466265629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7466273827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3733136910 + 3733136911.

It is an arithmetic number, because the mean of its divisors is an integer number (3733136911).

Almost surely, 2^7466273821 is an apocalyptic number.

It is an amenable number.

7466273821 is a deficient number, since it is larger than the sum of its proper divisors (1).

7466273821 is an equidigital number, since it uses as much as digits as its factorization.

7466273821 is an evil number, because the sum of its binary digits is even.

The product of its digits is 677376, while the sum is 46.

The square root of 7466273821 is about 86407.6027962818. The cubic root of 7466273821 is about 1954.4953331790.

The spelling of 7466273821 in words is "seven billion, four hundred sixty-six million, two hundred seventy-three thousand, eight hundred twenty-one".