195393419553 has 32 divisors (see below), whose sum is σ = 280153036800. Its totient is φ = 120745411776.

The previous prime is 195393419483. The next prime is 195393419561. The reversal of 195393419553 is 355914393591.

It is not a de Polignac number, because 195393419553 - 2⁹ = 195393419041 is a prime.

It is a super-2 number, since 2×195393419553² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a junction number, because it is equal to n+sod(n) for n = 195393419493 and 195393419502.

It is not an unprimeable number, because it can be changed into a prime (195393414553) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11465643 + ... + 11482671.

It is an arithmetic number, because the mean of its divisors is an integer number (8754782400).

Almost surely, 2^195393419553 is an apocalyptic number.

It is an amenable number.

195393419553 is a deficient number, since it is larger than the sum of its proper divisors (84759617247).

195393419553 is a wasteful number, since it uses less digits than its factorization.

195393419553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21381.

The product of its digits is 9841500, while the sum is 57.

The spelling of 195393419553 in words is "one hundred ninety-five billion, three hundred ninety-three million, four hundred nineteen thousand, five hundred fifty-three".