689703377803 has 4 divisors (see below), whose sum is σ = 752403684888. Its totient is φ = 627003070720.

The previous prime is 689703377789. The next prime is 689703377917. The reversal of 689703377803 is 308773307986.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 689703377803 - 2¹⁷ = 689703246731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (689703377203) 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, 31350153526 + ... + 31350153547.

It is an arithmetic number, because the mean of its divisors is an integer number (188100921222).

Almost surely, 2^689703377803 is an apocalyptic number.

689703377803 is a deficient number, since it is larger than the sum of its proper divisors (62700307085).

689703377803 is a wasteful number, since it uses less digits than its factorization.

689703377803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62700307084.

The product of its (nonzero) digits is 32006016, while the sum is 61.

The spelling of 689703377803 in words is "six hundred eighty-nine billion, seven hundred three million, three hundred seventy-seven thousand, eight hundred three".