9970561759 has 8 divisors (see below), whose sum is σ = 10026666000. Its totient is φ = 9914567232.

The previous prime is 9970561729. The next prime is 9970561859. The reversal of 9970561759 is 9571650799.

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 9970561759 - 2¹⁵ = 9970528991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9970561729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158352 + ... + 212170.

It is an arithmetic number, because the mean of its divisors is an integer number (1253333250).

Almost surely, 2^9970561759 is an apocalyptic number.

9970561759 is a deficient number, since it is larger than the sum of its proper divisors (56104241).

9970561759 is a wasteful number, since it uses less digits than its factorization.

9970561759 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54857.

The product of its (nonzero) digits is 5358150, while the sum is 58.

The square root of 9970561759 is about 99852.7003090052. The cubic root of 9970561759 is about 2152.3185198731.

The spelling of 9970561759 in words is "nine billion, nine hundred seventy million, five hundred sixty-one thousand, seven hundred fifty-nine".