29830249690 has 16 divisors (see below), whose sum is σ = 56852946792. Its totient is φ = 11230211584.

The previous prime is 29830249681. The next prime is 29830249699. The reversal of 29830249690 is 9694203892.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (29830249681) and next prime (29830249699).

It can be written as a sum of positive squares in 4 ways, for example, as 18805459689 + 11024790001 = 137133^2 + 104999^2 .

It is a super-2 number, since 2×29830249690² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (29830249699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87735859 + ... + 87736198.

Almost surely, 2^29830249690 is an apocalyptic number.

29830249690 is a deficient number, since it is larger than the sum of its proper divisors (27022697102).

29830249690 is a wasteful number, since it uses less digits than its factorization.

29830249690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175472081.

The product of its (nonzero) digits is 1679616, while the sum is 52.

The spelling of 29830249690 in words is "twenty-nine billion, eight hundred thirty million, two hundred forty-nine thousand, six hundred ninety".