70074752989 has 2 divisors, whose sum is σ = 70074752990. Its totient is φ = 70074752988.

The previous prime is 70074752953. The next prime is 70074753031. The reversal of 70074752989 is 98925747007.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67270203225 + 2804549764 = 259365^2 + 52958^2 .

It is a cyclic number.

It is not a de Polignac number, because 70074752989 - 2⁹ = 70074752477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70074752089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35037376494 + 35037376495.

It is an arithmetic number, because the mean of its divisors is an integer number (35037376495).

Almost surely, 2^70074752989 is an apocalyptic number.

It is an amenable number.

70074752989 is a deficient number, since it is larger than the sum of its proper divisors (1).

70074752989 is an equidigital number, since it uses as much as digits as its factorization.

70074752989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8890560, while the sum is 58.

The spelling of 70074752989 in words is "seventy billion, seventy-four million, seven hundred fifty-two thousand, nine hundred eighty-nine".