1963605242 has 4 divisors (see below), whose sum is σ = 2945407866. Its totient is φ = 981802620.

The previous prime is 1963605229. The next prime is 1963605263. The reversal of 1963605242 is 2425063691.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2425063691 = 31 ⋅78227861.

It can be written as a sum of positive squares in only one way, i.e., 1620948121 + 342657121 = 40261^2 + 18511^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1963605196 and 1963605205.

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 as a sum of consecutive naturals, namely, 490901309 + ... + 490901312.

Almost surely, 2^1963605242 is an apocalyptic number.

1963605242 is a deficient number, since it is larger than the sum of its proper divisors (981802624).

1963605242 is an equidigital number, since it uses as much as digits as its factorization.

1963605242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 981802623.

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 1963605242 is about 44312.5855937114. The cubic root of 1963605242 is about 1252.2317978512.

The spelling of 1963605242 in words is "one billion, nine hundred sixty-three million, six hundred five thousand, two hundred forty-two".