1025796769 has 4 divisors (see below), whose sum is σ = 1053521044. Its totient is φ = 998072496.

The previous prime is 1025796763. The next prime is 1025796773. The reversal of 1025796769 is 9676975201.

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: 9676975201 = 109 ⋅88779589.

It can be written as a sum of positive squares in 2 ways, for example, as 365306769 + 660490000 = 19113^2 + 25700^2 .

It is a cyclic number.

It is not a de Polignac number, because 1025796769 - 2⁷ = 1025796641 is a prime.

It is a super-2 number, since 2×1025796769² = 2104518022581678722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1025796763) 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, 13862082 + ... + 13862155.

It is an arithmetic number, because the mean of its divisors is an integer number (263380261).

Almost surely, 2^1025796769 is an apocalyptic number.

It is an amenable number.

1025796769 is a deficient number, since it is larger than the sum of its proper divisors (27724275).

1025796769 is an equidigital number, since it uses as much as digits as its factorization.

1025796769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27724274.

The product of its (nonzero) digits is 1428840, while the sum is 52.

The square root of 1025796769 is about 32028.0622111298. The cubic root of 1025796769 is about 1008.5260233319.

The spelling of 1025796769 in words is "one billion, twenty-five million, seven hundred ninety-six thousand, seven hundred sixty-nine".