1955513532849 has 16 divisors (see below), whose sum is σ = 2657339381760. Its totient is φ = 1278844514640.

The previous prime is 1955513532767. The next prime is 1955513532877. The reversal of 1955513532849 is 9482353155591.

It is a de Polignac number, because none of the positive numbers 2^k-1955513532849 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1955513532792 and 1955513532801.

It is not an unprimeable number, because it can be changed into a prime (1955513532899) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 20305357 + ... + 20401434.

It is an arithmetic number, because the mean of its divisors is an integer number (166083711360).

Almost surely, 2^{1955513532849} is an apocalyptic number.

It is an amenable number.

1955513532849 is a deficient number, since it is larger than the sum of its proper divisors (701825848911).

1955513532849 is a wasteful number, since it uses less digits than its factorization.

1955513532849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40707100.

The product of its digits is 29160000, while the sum is 60.

The spelling of 1955513532849 in words is "one trillion, nine hundred fifty-five billion, five hundred thirteen million, five hundred thirty-two thousand, eight hundred forty-nine".