29219948811 has 24 divisors (see below), whose sum is σ = 44337290400. Its totient is φ = 18507937536.

The previous prime is 29219948803. The next prime is 29219948831. The reversal of 29219948811 is 11884991292.

It is not a de Polignac number, because 29219948811 - 2³ = 29219948803 is a prime.

It is not an unprimeable number, because it can be changed into a prime (29219948831) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 442846 + ... + 504531.

It is an arithmetic number, because the mean of its divisors is an integer number (1847387100).

Almost surely, 2^29219948811 is an apocalyptic number.

29219948811 is a deficient number, since it is larger than the sum of its proper divisors (15117341589).

29219948811 is a wasteful number, since it uses less digits than its factorization.

29219948811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 947555 (or 947552 counting only the distinct ones).

The product of its digits is 746496, while the sum is 54.

The spelling of 29219948811 in words is "twenty-nine billion, two hundred nineteen million, nine hundred forty-eight thousand, eight hundred eleven".