1563218402 has 16 divisors (see below), whose sum is σ = 2459445120. Its totient is φ = 744302448.

The previous prime is 1563218401. The next prime is 1563218413. The reversal of 1563218402 is 2048123651.

It is not an unprimeable number, because it can be changed into a prime (1563218401) 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, 221252 + ... + 228207.

It is an arithmetic number, because the mean of its divisors is an integer number (153715320).

Almost surely, 2^1563218402 is an apocalyptic number.

1563218402 is a deficient number, since it is larger than the sum of its proper divisors (896226718).

1563218402 is a wasteful number, since it uses less digits than its factorization.

1563218402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449545.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 1563218402 is about 39537.5568542114. The cubic root of 1563218402 is about 1160.5750225784.

The spelling of 1563218402 in words is "one billion, five hundred sixty-three million, two hundred eighteen thousand, four hundred two".