2002402427 has 2 divisors, whose sum is σ = 2002402428. Its totient is φ = 2002402426.

The previous prime is 2002402361. The next prime is 2002402433. The reversal of 2002402427 is 7242042002.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2002402427 is a prime.

It is not a weakly prime, because it can be changed into another prime (2002402327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001201213 + 1001201214.

It is an arithmetic number, because the mean of its divisors is an integer number (1001201214).

Almost surely, 2^2002402427 is an apocalyptic number.

2002402427 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002402427 is an equidigital number, since it uses as much as digits as its factorization.

2002402427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1792, while the sum is 23.

The square root of 2002402427 is about 44748.2114391179. The cubic root of 2002402427 is about 1260.4253260923.

Adding to 2002402427 its reverse (7242042002), we get a palindrome (9244444429).

The spelling of 2002402427 in words is "two billion, two million, four hundred two thousand, four hundred twenty-seven".