29427640654 has 8 divisors (see below), whose sum is σ = 44158492080. Its totient is φ = 14708143296.

The previous prime is 29427640631. The next prime is 29427640663. The reversal of 29427640654 is 45604672492.

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

It is a junction number, because it is equal to n+sod(n) for n = 29427640598 and 29427640607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2832034 + ... + 2842405.

It is an arithmetic number, because the mean of its divisors is an integer number (5519811510).

Almost surely, 2^29427640654 is an apocalyptic number.

29427640654 is a deficient number, since it is larger than the sum of its proper divisors (14730851426).

29427640654 is a wasteful number, since it uses less digits than its factorization.

29427640654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5677034.

The product of its (nonzero) digits is 2903040, while the sum is 49.

The spelling of 29427640654 in words is "twenty-nine billion, four hundred twenty-seven million, six hundred forty thousand, six hundred fifty-four".