2563406342 has 16 divisors (see below), whose sum is σ = 4398457632. Its totient is φ = 1097591040.

The previous prime is 2563406323. The next prime is 2563406347. The reversal of 2563406342 is 2436043652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2563406347) 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, 68459 + ... + 99062.

It is an arithmetic number, because the mean of its divisors is an integer number (274903602).

Almost surely, 2^2563406342 is an apocalyptic number.

2563406342 is a deficient number, since it is larger than the sum of its proper divisors (1835051290).

2563406342 is a wasteful number, since it uses less digits than its factorization.

2563406342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168623.

The product of its (nonzero) digits is 103680, while the sum is 35.

The square root of 2563406342 is about 50630.0932450257. The cubic root of 2563406342 is about 1368.5872345615.

Adding to 2563406342 its reverse (2436043652), we get a palindrome (4999449994).

The spelling of 2563406342 in words is "two billion, five hundred sixty-three million, four hundred six thousand, three hundred forty-two".