1534012769 has 4 divisors (see below), whose sum is σ = 1538852244. Its totient is φ = 1529173296.

The previous prime is 1534012759. The next prime is 1534012789. The reversal of 1534012769 is 9672104351.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 126787600 + 1407225169 = 11260^2 + 37513^2 .

It is a cyclic number.

It is not a de Polignac number, because 1534012769 - 2²⁴ = 1517235553 is a prime.

It is a super-2 number, since 2×1534012769² = 4706390350910094722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1534012759) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2419262 + ... + 2419895.

It is an arithmetic number, because the mean of its divisors is an integer number (384713061).

Almost surely, 2^1534012769 is an apocalyptic number.

It is an amenable number.

1534012769 is a deficient number, since it is larger than the sum of its proper divisors (4839475).

1534012769 is an equidigital number, since it uses as much as digits as its factorization.

1534012769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4839474.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 1534012769 is about 39166.4750647796. The cubic root of 1534012769 is about 1153.3018576413.

The spelling of 1534012769 in words is "one billion, five hundred thirty-four million, twelve thousand, seven hundred sixty-nine".