29148049983 has 32 divisors (see below), whose sum is σ = 43750586880. Its totient is φ = 17127031680.

The previous prime is 29148049979. The next prime is 29148049999. The reversal of 29148049983 is 38994084192.

It is a Cunningham number, because it is equal to 170728²-1.

It is not a de Polignac number, because 29148049983 - 2² = 29148049979 is a prime.

It is a super-2 number, since 2×29148049983² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29148049783) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 483733 + ... + 540641.

It is an arithmetic number, because the mean of its divisors is an integer number (1367205840).

Almost surely, 2^29148049983 is an apocalyptic number.

29148049983 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

29148049983 is a deficient number, since it is larger than the sum of its proper divisors (14602536897).

29148049983 is a wasteful number, since it uses less digits than its factorization.

29148049983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57519.

The product of its (nonzero) digits is 4478976, while the sum is 57.

The spelling of 29148049983 in words is "twenty-nine billion, one hundred forty-eight million, forty-nine thousand, nine hundred eighty-three".