29590810421 has 12 divisors (see below), whose sum is σ = 30713431140. Its totient is φ = 28505865600.

The previous prime is 29590810357. The next prime is 29590810423. The reversal of 29590810421 is 12401809592.

It can be written as a sum of positive squares in 6 ways, for example, as 6907438321 + 22683372100 = 83111^2 + 150610^2 .

It is not a de Polignac number, because 29590810421 - 2⁶ = 29590810357 is a prime.

It is a super-2 number, since 2×29590810421² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29590810423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31265 + ... + 245273.

It is an arithmetic number, because the mean of its divisors is an integer number (2559452595).

Almost surely, 2^29590810421 is an apocalyptic number.

It is an amenable number.

29590810421 is a deficient number, since it is larger than the sum of its proper divisors (1122620719).

29590810421 is a wasteful number, since it uses less digits than its factorization.

29590810421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214184 (or 214147 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 41.

The spelling of 29590810421 in words is "twenty-nine billion, five hundred ninety million, eight hundred ten thousand, four hundred twenty-one".