1426326655403 has 8 divisors (see below), whose sum is σ = 1536055942848. Its totient is φ = 1316599061184.

The previous prime is 1426326655399. The next prime is 1426326655423. The reversal of 1426326655403 is 3045566236241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1426326655403 - 2² = 1426326655399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1426326655423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1733150 + ... + 2420012.

It is an arithmetic number, because the mean of its divisors is an integer number (192006992856).

Almost surely, 2^{1426326655403} is an apocalyptic number.

1426326655403 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1426326655403 is a deficient number, since it is larger than the sum of its proper divisors (109729287445).

1426326655403 is a wasteful number, since it uses less digits than its factorization.

1426326655403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 846613.

The product of its (nonzero) digits is 3110400, while the sum is 47.

The spelling of 1426326655403 in words is "one trillion, four hundred twenty-six billion, three hundred twenty-six million, six hundred fifty-five thousand, four hundred three".