52069504621 has 2 divisors, whose sum is σ = 52069504622. Its totient is φ = 52069504620.

The previous prime is 52069504589. The next prime is 52069504631. The reversal of 52069504621 is 12640596025.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51932028996 + 137475625 = 227886^2 + 11725^2 .

It is a cyclic number.

It is not a de Polignac number, because 52069504621 - 2⁵ = 52069504589 is a prime.

It is a super-2 number, since 2×52069504621² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52069504631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26034752310 + 26034752311.

It is an arithmetic number, because the mean of its divisors is an integer number (26034752311).

Almost surely, 2^52069504621 is an apocalyptic number.

It is an amenable number.

52069504621 is a deficient number, since it is larger than the sum of its proper divisors (1).

52069504621 is an equidigital number, since it uses as much as digits as its factorization.

52069504621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129600, while the sum is 40.

The spelling of 52069504621 in words is "fifty-two billion, sixty-nine million, five hundred four thousand, six hundred twenty-one".