689480741620 has 48 divisors (see below), whose sum is σ = 1579677494976. Its totient is φ = 250698080000.

The previous prime is 689480741617. The next prime is 689480741659. The reversal of 689480741620 is 26147084986.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2463435 + ... + 2729005.

It is an arithmetic number, because the mean of its divisors is an integer number (32909947812).

Almost surely, 2^689480741620 is an apocalyptic number.

It is an amenable number.

689480741620 is an abundant number, since it is smaller than the sum of its proper divisors (890196753356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

689480741620 is a wasteful number, since it uses less digits than its factorization.

689480741620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277392 (or 277390 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 55.

The spelling of 689480741620 in words is "six hundred eighty-nine billion, four hundred eighty million, seven hundred forty-one thousand, six hundred twenty".