537804436669 has 2 divisors, whose sum is σ = 537804436670. Its totient is φ = 537804436668.

The previous prime is 537804436607. The next prime is 537804436679. The reversal of 537804436669 is 966634408735.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 466174872900 + 71629563769 = 682770^2 + 267637^2 .

It is a cyclic number.

It is not a de Polignac number, because 537804436669 - 2³¹ = 535656953021 is a prime.

It is a super-2 number, since 2×537804436669² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (537804436679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268902218334 + 268902218335.

It is an arithmetic number, because the mean of its divisors is an integer number (268902218335).

Almost surely, 2^537804436669 is an apocalyptic number.

It is an amenable number.

537804436669 is a deficient number, since it is larger than the sum of its proper divisors (1).

537804436669 is an equidigital number, since it uses as much as digits as its factorization.

537804436669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 78382080, while the sum is 61.

The spelling of 537804436669 in words is "five hundred thirty-seven billion, eight hundred four million, four hundred thirty-six thousand, six hundred sixty-nine".