29540947481 has 8 divisors (see below), whose sum is σ = 31281181344. Its totient is φ = 27800994880.

The previous prime is 29540947463. The next prime is 29540947507. The reversal of 29540947481 is 18474904592.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 29540947481 - 2²⁶ = 29473838617 is a prime.

It is a super-2 number, since 2×29540947481² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29540947441) 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, 169286 + ... + 296208.

It is an arithmetic number, because the mean of its divisors is an integer number (3910147668).

Almost surely, 2^29540947481 is an apocalyptic number.

It is an amenable number.

29540947481 is a deficient number, since it is larger than the sum of its proper divisors (1740233863).

29540947481 is a wasteful number, since it uses less digits than its factorization.

29540947481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140631.

The product of its (nonzero) digits is 2903040, while the sum is 53.

The spelling of 29540947481 in words is "twenty-nine billion, five hundred forty million, nine hundred forty-seven thousand, four hundred eighty-one".