7605454568681 has 4 divisors (see below), whose sum is σ = 7850791812864. Its totient is φ = 7360117324500.

The previous prime is 7605454568603. The next prime is 7605454568717. The reversal of 7605454568681 is 1868654545067.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-7605454568681 is a prime.

It is a super-2 number, since 2×7605454568681² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7605454568981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122668622045 + ... + 122668622106.

It is an arithmetic number, because the mean of its divisors is an integer number (1962697953216).

Almost surely, 2^{7605454568681} is an apocalyptic number.

It is an amenable number.

7605454568681 is a deficient number, since it is larger than the sum of its proper divisors (245337244183).

7605454568681 is a wasteful number, since it uses less digits than its factorization.

7605454568681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245337244182.

The product of its (nonzero) digits is 193536000, while the sum is 65.

The spelling of 7605454568681 in words is "seven trillion, six hundred five billion, four hundred fifty-four million, five hundred sixty-eight thousand, six hundred eighty-one".