1534056869 has 4 divisors (see below), whose sum is σ = 1538169996. Its totient is φ = 1529943744.

The previous prime is 1534056859. The next prime is 1534056883. The reversal of 1534056869 is 9686504351.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9686504351 = 7333 ⋅1320947.

It can be written as a sum of positive squares in 2 ways, for example, as 915788644 + 618268225 = 30262^2 + 24865^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1534056869 is a prime.

It is a super-2 number, since 2×1534056869² = 4706660954652166322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1534056859) 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, 2056004 + ... + 2056749.

It is an arithmetic number, because the mean of its divisors is an integer number (384542499).

Almost surely, 2^1534056869 is an apocalyptic number.

It is an amenable number.

1534056869 is a deficient number, since it is larger than the sum of its proper divisors (4113127).

1534056869 is an equidigital number, since it uses as much as digits as its factorization.

1534056869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4113126.

The product of its (nonzero) digits is 777600, while the sum is 47.

The square root of 1534056869 is about 39167.0380422110. The cubic root of 1534056869 is about 1153.3129092930.

The spelling of 1534056869 in words is "one billion, five hundred thirty-four million, fifty-six thousand, eight hundred sixty-nine".