29966489970 has 32 divisors (see below), whose sum is σ = 72029760192. Its totient is φ = 7978821312.

The previous prime is 29966489957. The next prime is 29966490013. The reversal of 29966489970 is 7998466992.

It is a super-2 number, since 2×29966489970² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 29966489895 and 29966489904.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 745252 + ... + 784431.

It is an arithmetic number, because the mean of its divisors is an integer number (2250930006).

Almost surely, 2^29966489970 is an apocalyptic number.

29966489970 is an abundant number, since it is smaller than the sum of its proper divisors (42063270222).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29966489970 is a wasteful number, since it uses less digits than its factorization.

29966489970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1530346.

The product of its (nonzero) digits is 105815808, while the sum is 69.

The spelling of 29966489970 in words is "twenty-nine billion, nine hundred sixty-six million, four hundred eighty-nine thousand, nine hundred seventy".