29990026243 has 8 divisors (see below), whose sum is σ = 30354737040. Its totient is φ = 29625932160.

The previous prime is 29990026223. The next prime is 29990026267. The reversal of 29990026243 is 34262009992.

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 29990026243 - 2²¹ = 29987929091 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 29990026193 and 29990026202.

It is not an unprimeable number, because it can be changed into a prime (29990026223) 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, 55953 + ... + 251218.

It is an arithmetic number, because the mean of its divisors is an integer number (3794342130).

Almost surely, 2^29990026243 is an apocalyptic number.

29990026243 is a deficient number, since it is larger than the sum of its proper divisors (364710797).

29990026243 is a wasteful number, since it uses less digits than its factorization.

29990026243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308357.

The product of its (nonzero) digits is 419904, while the sum is 46.

The spelling of 29990026243 in words is "twenty-nine billion, nine hundred ninety million, twenty-six thousand, two hundred forty-three".