29104815423481 has 12 divisors (see below), whose sum is σ = 33858839076708. Its totient is φ = 24945351030432.

The previous prime is 29104815423473. The next prime is 29104815423499. The reversal of 29104815423481 is 18432451840192.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8858415263481 + 20246400160000 = 2976309^2 + 4499600^2 .

It is not a de Polignac number, because 29104815423481 - 2³ = 29104815423473 is a prime.

It is a super-2 number, since 2×29104815423481² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29104815423401) 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, 18691626 + ... + 20188771.

It is an arithmetic number, because the mean of its divisors is an integer number (2821569923059).

Almost surely, 2^{29104815423481} is an apocalyptic number.

It is an amenable number.

29104815423481 is a deficient number, since it is larger than the sum of its proper divisors (4754023653227).

29104815423481 is a wasteful number, since it uses less digits than its factorization.

29104815423481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38895688 (or 38895681 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 52.

The spelling of 29104815423481 in words is "twenty-nine trillion, one hundred four billion, eight hundred fifteen million, four hundred twenty-three thousand, four hundred eighty-one".