6894190061553 has 8 divisors (see below), whose sum is σ = 9192336578368. Its totient is φ = 4596085126224.

The previous prime is 6894190061527. The next prime is 6894190061611. The reversal of 6894190061553 is 3551600914986.

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

It is not a de Polignac number, because 6894190061553 - 2³⁶ = 6825470584817 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6894190061493 and 6894190061502.

It is not an unprimeable number, because it can be changed into a prime (6894190061503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10006426 + ... + 10673187.

It is an arithmetic number, because the mean of its divisors is an integer number (1149042072296).

Almost surely, 2^{6894190061553} is an apocalyptic number.

It is an amenable number.

6894190061553 is a deficient number, since it is larger than the sum of its proper divisors (2298146516815).

6894190061553 is a wasteful number, since it uses less digits than its factorization.

6894190061553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20790743.

The product of its (nonzero) digits is 6998400, while the sum is 57.

The spelling of 6894190061553 in words is "six trillion, eight hundred ninety-four billion, one hundred ninety million, sixty-one thousand, five hundred fifty-three".