893741453641 has 9 divisors (see below), whose sum is σ = 895631470759. Its totient is φ = 891855422536.

The previous prime is 893741453621. The next prime is 893741453669. The reversal of 893741453641 is 146354147398.

The square root of 893741453641 is 945379.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 56875095225 + 836866358416 = 238485^2 + 914804^2 .

It is not a de Polignac number, because 893741453641 - 2⁷ = 893741453513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (893741453621) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 730777356 + ... + 730778578.

Almost surely, 2^893741453641 is an apocalyptic number.

893741453641 is the 945379-th square number.

893741453641 is the 472690-th centered octagonal number.

It is an amenable number.

893741453641 is a deficient number, since it is larger than the sum of its proper divisors (1890017118).

893741453641 is an frugal number, since it uses more digits than its factorization.

893741453641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3992 (or 1996 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 55.

The spelling of 893741453641 in words is "eight hundred ninety-three billion, seven hundred forty-one million, four hundred fifty-three thousand, six hundred forty-one".