980490023545 has 8 divisors (see below), whose sum is σ = 1198787802696. Its totient is φ = 769592169216.

The previous prime is 980490023531. The next prime is 980490023573. The reversal of 980490023545 is 545320094089.

It can be written as a sum of positive squares in 4 ways, for example, as 79828286521 + 900661737024 = 282539^2 + 949032^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 980490023545 - 2⁹ = 980490023033 is a prime.

It is a super-2 number, since 2×980490023545² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1849980912 + ... + 1849981441.

It is an arithmetic number, because the mean of its divisors is an integer number (149848475337).

Almost surely, 2^980490023545 is an apocalyptic number.

It is an amenable number.

980490023545 is a deficient number, since it is larger than the sum of its proper divisors (218297779151).

980490023545 is a wasteful number, since it uses less digits than its factorization.

980490023545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3699962411.

The product of its (nonzero) digits is 1555200, while the sum is 49.

The spelling of 980490023545 in words is "nine hundred eighty billion, four hundred ninety million, twenty-three thousand, five hundred forty-five".