1425692783 has 4 divisors (see below), whose sum is σ = 1456026720. Its totient is φ = 1395358848.

The previous prime is 1425692773. The next prime is 1425692803. The reversal of 1425692783 is 3872965241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3872965241 = 739 ⋅5240819.

It is a cyclic number.

It is not a de Polignac number, because 1425692783 - 2¹⁰ = 1425691759 is a prime.

It is a super-2 number, since 2×1425692783² = 4065199822996570178, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (47), and also a Moran number because the ratio is a prime number: 30333889 = 1425692783 / (1 + 4 + 2 + 5 + 6 + 9 + 2 + 7 + 8 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1425692773) 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, 15166898 + ... + 15166991.

It is an arithmetic number, because the mean of its divisors is an integer number (364006680).

Almost surely, 2^1425692783 is an apocalyptic number.

1425692783 is a deficient number, since it is larger than the sum of its proper divisors (30333937).

1425692783 is an equidigital number, since it uses as much as digits as its factorization.

1425692783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30333936.

The product of its digits is 725760, while the sum is 47.

The square root of 1425692783 is about 37758.3471963485. The cubic root of 1425692783 is about 1125.4908891130.

The spelling of 1425692783 in words is "one billion, four hundred twenty-five million, six hundred ninety-two thousand, seven hundred eighty-three".