9970061445 has 32 divisors (see below), whose sum is σ = 17758569600. Its totient is φ = 5307161472.

The previous prime is 9970061443. The next prime is 9970061461. The reversal of 9970061445 is 5441600799.

9970061445 is a nontrivial binomial coefficient, being equal to C(141210, 2).

It is not a de Polignac number, because 9970061445 - 2¹ = 9970061443 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 9970061445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9970061441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1 + ... + 141209.

It is an arithmetic number, because the mean of its divisors is an integer number (554955300).

Almost surely, 2^9970061445 is an apocalyptic number.

9970061445 is the 141209-th triangular number and also the 70605-th hexagonal number.

It is an amenable number.

9970061445 is a deficient number, since it is larger than the sum of its proper divisors (7788508155).

9970061445 is a wasteful number, since it uses less digits than its factorization.

9970061445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141746 (or 141740 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 9970061445 is about 99850.1950173358. The cubic root of 9970061445 is about 2152.2825187889.

The spelling of 9970061445 in words is "nine billion, nine hundred seventy million, sixty-one thousand, four hundred forty-five".