1563941002 has 16 divisors (see below), whose sum is σ = 2529523080. Its totient is φ = 720916992.

The previous prime is 1563940967. The next prime is 1563941017. The reversal of 1563941002 is 2001493651.

It can be written as a sum of positive squares in 4 ways, for example, as 1470799201 + 93141801 = 38351^2 + 9651^2 .

It is a super-2 number, since 2×1563941002² = 4891822915473528008, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16143 + ... + 58210.

Almost surely, 2^1563941002 is an apocalyptic number.

1563941002 is a deficient number, since it is larger than the sum of its proper divisors (965582078).

1563941002 is a wasteful number, since it uses less digits than its factorization.

1563941002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75177.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 1563941002 is about 39546.6939452592. The cubic root of 1563941002 is about 1160.7538208670.

The spelling of 1563941002 in words is "one billion, five hundred sixty-three million, nine hundred forty-one thousand, two".