1426663043 has 4 divisors (see below), whose sum is σ = 1536406368. Its totient is φ = 1316919720.

The previous prime is 1426663037. The next prime is 1426663061. The reversal of 1426663043 is 3403666241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3403666241 = 83 ⋅41008027.

It is a cyclic number.

It is not a de Polignac number, because 1426663043 - 2⁴ = 1426663027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1426662994 and 1426663012.

It is not an unprimeable number, because it can be changed into a prime (1426663643) 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, 54871643 + ... + 54871668.

It is an arithmetic number, because the mean of its divisors is an integer number (384101592).

Almost surely, 2^1426663043 is an apocalyptic number.

1426663043 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1426663043 is a deficient number, since it is larger than the sum of its proper divisors (109743325).

1426663043 is a wasteful number, since it uses less digits than its factorization.

1426663043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109743324.

The product of its (nonzero) digits is 62208, while the sum is 35.

The square root of 1426663043 is about 37771.1932959498. The cubic root of 1426663043 is about 1125.7461500806.

The spelling of 1426663043 in words is "one billion, four hundred twenty-six million, six hundred sixty-three thousand, forty-three".