29993244543970 has 16 divisors (see below), whose sum is σ = 54091463682168. Its totient is φ = 11974270372480.

The previous prime is 29993244543947. The next prime is 29993244543991. The reversal of 29993244543970 is 7934544239992.

It can be written as a sum of positive squares in 4 ways, for example, as 12816836763721 + 17176407780249 = 3580061^2 + 4144443^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 29993244543970.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2878425169 + ... + 2878435588.

Almost surely, 2^{29993244543970} is an apocalyptic number.

29993244543970 is a deficient number, since it is larger than the sum of its proper divisors (24098219138198).

29993244543970 is a wasteful number, since it uses less digits than its factorization.

29993244543970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5756861285.

The product of its (nonzero) digits is 529079040, while the sum is 70.

The spelling of 29993244543970 in words is "twenty-nine trillion, nine hundred ninety-three billion, two hundred forty-four million, five hundred forty-three thousand, nine hundred seventy".