537969647 has 2 divisors, whose sum is σ = 537969648. Its totient is φ = 537969646.

The previous prime is 537969547. The next prime is 537969671. The reversal of 537969647 is 746969735.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 537969647 - 2²⁰ = 536921071 is a prime.

It is a super-2 number, since 2×537969647² = 578822682186609218, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 537969592 and 537969601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (537969247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268984823 + 268984824.

It is an arithmetic number, because the mean of its divisors is an integer number (268984824).

Almost surely, 2^537969647 is an apocalyptic number.

537969647 is a deficient number, since it is larger than the sum of its proper divisors (1).

537969647 is an equidigital number, since it uses as much as digits as its factorization.

537969647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8573040, while the sum is 56.

The square root of 537969647 is about 23194.1726948818. The cubic root of 537969647 is about 813.3034057824.

The spelling of 537969647 in words is "five hundred thirty-seven million, nine hundred sixty-nine thousand, six hundred forty-seven".