7221354672053 has 2 divisors, whose sum is σ = 7221354672054. Its totient is φ = 7221354672052.

The previous prime is 7221354672047. The next prime is 7221354672083. The reversal of 7221354672053 is 3502764531227.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6410304932164 + 811049739889 = 2531858^2 + 900583^2 .

It is a cyclic number.

It is not a de Polignac number, because 7221354672053 - 2¹⁶ = 7221354606517 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7221354671989 and 7221354672007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7221354672023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3610677336026 + 3610677336027.

It is an arithmetic number, because the mean of its divisors is an integer number (3610677336027).

Almost surely, 2^{7221354672053} is an apocalyptic number.

It is an amenable number.

7221354672053 is a deficient number, since it is larger than the sum of its proper divisors (1).

7221354672053 is an equidigital number, since it uses as much as digits as its factorization.

7221354672053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2116800, while the sum is 47.

The spelling of 7221354672053 in words is "seven trillion, two hundred twenty-one billion, three hundred fifty-four million, six hundred seventy-two thousand, fifty-three".