980516149 has 4 divisors (see below), whose sum is σ = 989511820. Its totient is φ = 971520480.

The previous prime is 980516111. The next prime is 980516153. The reversal of 980516149 is 941615089.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 941615089 = 461 ⋅2042549.

It can be written as a sum of positive squares in 2 ways, for example, as 234243025 + 746273124 = 15305^2 + 27318^2 .

It is a cyclic number.

It is not a de Polignac number, because 980516149 - 2⁹ = 980515637 is a prime.

It is a super-2 number, since 2×980516149² = 1922823836899580402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (980516179) 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, 4497672 + ... + 4497889.

It is an arithmetic number, because the mean of its divisors is an integer number (247377955).

Almost surely, 2^980516149 is an apocalyptic number.

It is an amenable number.

980516149 is a deficient number, since it is larger than the sum of its proper divisors (8995671).

980516149 is a wasteful number, since it uses less digits than its factorization.

980516149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8995670.

The product of its (nonzero) digits is 77760, while the sum is 43.

The square root of 980516149 is about 31313.1944873084. The cubic root of 980516149 is about 993.4627403613.

The spelling of 980516149 in words is "nine hundred eighty million, five hundred sixteen thousand, one hundred forty-nine".