1963485019634 has 8 divisors (see below), whose sum is σ = 3118476207708. Its totient is φ = 923992950400.

The previous prime is 1963485019633. The next prime is 1963485019663. The reversal of 1963485019634 is 4369105843691.

It can be written as a sum of positive squares in 2 ways, for example, as 1599276390625 + 364208629009 = 1264625^2 + 603497^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1963485019633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28874779667 + ... + 28874779734.

Almost surely, 2^{1963485019634} is an apocalyptic number.

1963485019634 is a deficient number, since it is larger than the sum of its proper divisors (1154991188074).

1963485019634 is a wasteful number, since it uses less digits than its factorization.

1963485019634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57749559420.

The product of its (nonzero) digits is 16796160, while the sum is 59.

The spelling of 1963485019634 in words is "one trillion, nine hundred sixty-three billion, four hundred eighty-five million, nineteen thousand, six hundred thirty-four".