29703689768 has 8 divisors (see below), whose sum is σ = 55694418330. Its totient is φ = 14851844880.

The previous prime is 29703689699. The next prime is 29703689777. The reversal of 29703689768 is 86798630792.

It can be written as a sum of positive squares in only one way, i.e., 28224672004 + 1479017764 = 168002^2 + 38458^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1856480603 + ... + 1856480618.

Almost surely, 2^29703689768 is an apocalyptic number.

It is an amenable number.

29703689768 is a deficient number, since it is larger than the sum of its proper divisors (25990728562).

29703689768 is a wasteful number, since it uses less digits than its factorization.

29703689768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3712961227 (or 3712961223 counting only the distinct ones).

The product of its (nonzero) digits is 54867456, while the sum is 65.

The spelling of 29703689768 in words is "twenty-nine billion, seven hundred three million, six hundred eighty-nine thousand, seven hundred sixty-eight".