981970495 has 16 divisors (see below), whose sum is σ = 1288586880. Its totient is φ = 712439200.

The previous prime is 981970471. The next prime is 981970499. The reversal of 981970495 is 594079189.

It is not a de Polignac number, because 981970495 - 2⁹ = 981969983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (981970499) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1740 + ... + 44350.

It is an arithmetic number, because the mean of its divisors is an integer number (80536680).

Almost surely, 2^981970495 is an apocalyptic number.

981970495 is a deficient number, since it is larger than the sum of its proper divisors (306616385).

981970495 is a wasteful number, since it uses less digits than its factorization.

981970495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43046.

The product of its (nonzero) digits is 816480, while the sum is 52.

The square root of 981970495 is about 31336.4084572562. The cubic root of 981970495 is about 993.9536807034.

The spelling of 981970495 in words is "nine hundred eighty-one million, nine hundred seventy thousand, four hundred ninety-five".