980981352413 has 4 divisors (see below), whose sum is σ = 999490434588. Its totient is φ = 962472270240.

The previous prime is 980981352383. The next prime is 980981352451. The reversal of 980981352413 is 314253189089.

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 877777862404 + 103203490009 = 936898^2 + 321253^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-980981352413 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (53), and also a Moran number because the ratio is a prime number: 18509082121 = 980981352413 / (9 + 8 + 0 + 9 + 8 + 1 + 3 + 5 + 2 + 4 + 1 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (980981352493) 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, 9254541008 + ... + 9254541113.

It is an arithmetic number, because the mean of its divisors is an integer number (249872608647).

Almost surely, 2^980981352413 is an apocalyptic number.

It is an amenable number.

980981352413 is a deficient number, since it is larger than the sum of its proper divisors (18509082175).

980981352413 is a wasteful number, since it uses less digits than its factorization.

980981352413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18509082174.

The product of its (nonzero) digits is 1866240, while the sum is 53.

The spelling of 980981352413 in words is "nine hundred eighty billion, nine hundred eighty-one million, three hundred fifty-two thousand, four hundred thirteen".