1963675786545 has 288 divisors, whose sum is σ = 4116903598080. Its totient is φ = 890297256960.

The previous prime is 1963675786529. The next prime is 1963675786571. The reversal of 1963675786545 is 5456875763691.

1963675786545 is a `hidden beast` number, since 1 + 9 + 6 + 3 + 6 + 7 + 5 + 78 + 6 + 545 = 666.

It is not a de Polignac number, because 1963675786545 - 2⁴ = 1963675786529 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 629583496 + ... + 629586614.

It is an arithmetic number, because the mean of its divisors is an integer number (14294804160).

Almost surely, 2^{1963675786545} is an apocalyptic number.

1963675786545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1963675786545 is an abundant number, since it is smaller than the sum of its proper divisors (2153227811535).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1963675786545 is a wasteful number, since it uses less digits than its factorization.

1963675786545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3347 (or 3318 counting only the distinct ones).

The product of its digits is 1143072000, while the sum is 72.

The spelling of 1963675786545 in words is "one trillion, nine hundred sixty-three billion, six hundred seventy-five million, seven hundred eighty-six thousand, five hundred forty-five".