1424424961 has 4 divisors (see below), whose sum is σ = 1424502612. Its totient is φ = 1424347312.

The previous prime is 1424424959. The next prime is 1424424977. The reversal of 1424424961 is 1694244241.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1694244241 = 929 ⋅1823729.

It can be written as a sum of positive squares in 2 ways, for example, as 993447361 + 430977600 = 31519^2 + 20760^2 .

It is a cyclic number.

It is not a de Polignac number, because 1424424961 - 2¹ = 1424424959 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1424424961.

It is not an unprimeable number, because it can be changed into a prime (1424424901) 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, 5751 + ... + 53683.

It is an arithmetic number, because the mean of its divisors is an integer number (356125653).

It is a Proth number, since it is equal to 21735 ⋅ 2¹⁶ + 1 and 21735 < 2¹⁶.

Almost surely, 2^1424424961 is an apocalyptic number.

It is an amenable number.

1424424961 is a deficient number, since it is larger than the sum of its proper divisors (77651).

1424424961 is an equidigital number, since it uses as much as digits as its factorization.

1424424961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77650.

The product of its digits is 55296, while the sum is 37.

The square root of 1424424961 is about 37741.5548301868. The cubic root of 1424424961 is about 1125.1571694159.

The spelling of 1424424961 in words is "one billion, four hundred twenty-four million, four hundred twenty-four thousand, nine hundred sixty-one".