689777135571041 has 24 divisors (see below), whose sum is σ = 803202418273824. Its totient is φ = 590641879060800.

The previous prime is 689777135570989. The next prime is 689777135571053. The reversal of 689777135571041 is 140175531777986.

It is not a de Polignac number, because 689777135571041 - 2²² = 689777131376737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (689777135571061) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 386221766 + ... + 388003616.

It is an arithmetic number, because the mean of its divisors is an integer number (33466767428076).

Almost surely, 2^{689777135571041} is an apocalyptic number.

It is an amenable number.

689777135571041 is a deficient number, since it is larger than the sum of its proper divisors (113425282702783).

689777135571041 is a wasteful number, since it uses less digits than its factorization.

689777135571041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1789821 (or 1789814 counting only the distinct ones).

The product of its (nonzero) digits is 311169600, while the sum is 71.

The spelling of 689777135571041 in words is "six hundred eighty-nine trillion, seven hundred seventy-seven billion, one hundred thirty-five million, five hundred seventy-one thousand, forty-one".