5167272649621 has 2 divisors, whose sum is σ = 5167272649622. Its totient is φ = 5167272649620.

The previous prime is 5167272649541. The next prime is 5167272649673. The reversal of 5167272649621 is 1269462727615.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3939276227121 + 1227996422500 = 1984761^2 + 1108150^2 .

It is a cyclic number.

It is not a de Polignac number, because 5167272649621 - 2⁷ = 5167272649493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5167272649421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2583636324810 + 2583636324811.

It is an arithmetic number, because the mean of its divisors is an integer number (2583636324811).

Almost surely, 2^{5167272649621} is an apocalyptic number.

It is an amenable number.

5167272649621 is a deficient number, since it is larger than the sum of its proper divisors (1).

5167272649621 is an equidigital number, since it uses as much as digits as its factorization.

5167272649621 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15240960, while the sum is 58.

The spelling of 5167272649621 in words is "five trillion, one hundred sixty-seven billion, two hundred seventy-two million, six hundred forty-nine thousand, six hundred twenty-one".