1025663905693 has 8 divisors (see below), whose sum is σ = 1173100961088. Its totient is φ = 878455260384.

The previous prime is 1025663905681. The next prime is 1025663905709. The reversal of 1025663905693 is 3965093665201.

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

It is a cyclic number.

It is not a de Polignac number, because 1025663905693 - 2²¹ = 1025661808541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025663905633) 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, 57092896 + ... + 57110857.

It is an arithmetic number, because the mean of its divisors is an integer number (146637620136).

Almost surely, 2^{1025663905693} is an apocalyptic number.

It is an amenable number.

1025663905693 is a deficient number, since it is larger than the sum of its proper divisors (147437055395).

1025663905693 is a wasteful number, since it uses less digits than its factorization.

1025663905693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114205043.

The product of its (nonzero) digits is 7873200, while the sum is 55.

The spelling of 1025663905693 in words is "one trillion, twenty-five billion, six hundred sixty-three million, nine hundred five thousand, six hundred ninety-three".