2403640427 has 2 divisors, whose sum is σ = 2403640428. Its totient is φ = 2403640426.

The previous prime is 2403640417. The next prime is 2403640441. The reversal of 2403640427 is 7240463042.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2403640427 - 2¹⁶ = 2403574891 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2403640393 and 2403640402.

It is not a weakly prime, because it can be changed into another prime (2403640417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1201820213 + 1201820214.

It is an arithmetic number, because the mean of its divisors is an integer number (1201820214).

Almost surely, 2^2403640427 is an apocalyptic number.

2403640427 is a deficient number, since it is larger than the sum of its proper divisors (1).

2403640427 is an equidigital number, since it uses as much as digits as its factorization.

2403640427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 32.

The square root of 2403640427 is about 49026.9357292499. The cubic root of 2403640427 is about 1339.5425086724.

The spelling of 2403640427 in words is "two billion, four hundred three million, six hundred forty thousand, four hundred twenty-seven".