537454670769 has 15 divisors (see below), whose sum is σ = 802874241147. Its totient is φ = 358298715168.

The previous prime is 537454670759. The next prime is 537454670773. The reversal of 537454670769 is 967076454735.

It is a happy number.

The square root of 537454670769 is 733113.

It is a perfect power (a square), and thus also a powerful number.

537454670769 is a `hidden beast` number, since 53 + 7 + 454 + 6 + 70 + 7 + 69 = 666.

It can be written as a sum of positive squares in only one way, i.e., 87063354225 + 450391316544 = 295065^2 + 671112^2 .

It is not a de Polignac number, because 537454670769 - 2²⁹ = 536917799857 is a prime.

It is a super-2 number, since 2×537454670769² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (537454670759) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 6557289 + ... + 6638745.

Almost surely, 2^537454670769 is an apocalyptic number.

537454670769 is the 733113-rd square number.

537454670769 is the 366557-th centered octagonal number.

It is an amenable number.

537454670769 is a deficient number, since it is larger than the sum of its proper divisors (265419570378).

537454670769 is an frugal number, since it uses more digits than its factorization.

537454670769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162926 (or 81460 counting only the distinct ones).

The product of its (nonzero) digits is 133358400, while the sum is 63.

The spelling of 537454670769 in words is "five hundred thirty-seven billion, four hundred fifty-four million, six hundred seventy thousand, seven hundred sixty-nine".