1424293693 has 4 divisors (see below), whose sum is σ = 1424375100. Its totient is φ = 1424212288.

The previous prime is 1424293681. The next prime is 1424293709. The reversal of 1424293693 is 3963924241.

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.

It can be written as a sum of positive squares in 2 ways, for example, as 157076089 + 1267217604 = 12533^2 + 35598^2 .

It is a cyclic number.

It is not a de Polignac number, because 1424293693 - 2²⁵ = 1390739261 is a prime.

It is a super-2 number, since 2×1424293693² = 4057225047839156498, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1424293613) 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, 2518 + ... + 53431.

It is an arithmetic number, because the mean of its divisors is an integer number (356093775).

Almost surely, 2^1424293693 is an apocalyptic number.

It is an amenable number.

1424293693 is a deficient number, since it is larger than the sum of its proper divisors (81407).

1424293693 is an equidigital number, since it uses as much as digits as its factorization.

1424293693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81406.

The product of its digits is 279936, while the sum is 43.

The square root of 1424293693 is about 37739.8157520675. The cubic root of 1424293693 is about 1125.1226053702.

The spelling of 1424293693 in words is "one billion, four hundred twenty-four million, two hundred ninety-three thousand, six hundred ninety-three".