27429513616 has 10 divisors (see below), whose sum is σ = 53144682662. Its totient is φ = 13714756800.

The previous prime is 27429513611. The next prime is 27429513697. The reversal of 27429513616 is 61631592472.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 26962953616 + 466560000 = 164204^2 + 21600^2 .

It is not an unprimeable number, because it can be changed into a prime (27429513611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 857172285 + ... + 857172316.

Almost surely, 2^27429513616 is an apocalyptic number.

It is an amenable number.

27429513616 is a deficient number, since it is larger than the sum of its proper divisors (25715169046).

27429513616 is a wasteful number, since it uses less digits than its factorization.

27429513616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1714344609 (or 1714344603 counting only the distinct ones).

The product of its digits is 544320, while the sum is 46.

The spelling of 27429513616 in words is "twenty-seven billion, four hundred twenty-nine million, five hundred thirteen thousand, six hundred sixteen".