980096389621 has 4 divisors (see below), whose sum is σ = 980098418572. Its totient is φ = 980094360672.

The previous prime is 980096389589. The next prime is 980096389711. The reversal of 980096389621 is 126983690089.

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

It can be written as a sum of positive squares in 2 ways, for example, as 696742453521 + 283353936100 = 834711^2 + 532310^2 .

It is a cyclic number.

It is not a de Polignac number, because 980096389621 - 2⁵ = 980096389589 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 980096389621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (980096389021) 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, 174985 + ... + 1410961.

It is an arithmetic number, because the mean of its divisors is an integer number (245024604643).

Almost surely, 2^980096389621 is an apocalyptic number.

It is an amenable number.

980096389621 is a deficient number, since it is larger than the sum of its proper divisors (2028951).

980096389621 is a wasteful number, since it uses less digits than its factorization.

980096389621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2028950.

The product of its (nonzero) digits is 10077696, while the sum is 61.

The spelling of 980096389621 in words is "nine hundred eighty billion, ninety-six million, three hundred eighty-nine thousand, six hundred twenty-one".