27399706652 has 6 divisors (see below), whose sum is σ = 47949486648. Its totient is φ = 13699853324.

The previous prime is 27399706643. The next prime is 27399706657. The reversal of 27399706652 is 25660799372.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27399706657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3424963328 + ... + 3424963335.

It is an arithmetic number, because the mean of its divisors is an integer number (7991581108).

Almost surely, 2^27399706652 is an apocalyptic number.

It is an amenable number.

27399706652 is a deficient number, since it is larger than the sum of its proper divisors (20549779996).

27399706652 is a wasteful number, since it uses less digits than its factorization.

27399706652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6849926667 (or 6849926665 counting only the distinct ones).

The product of its (nonzero) digits is 8573040, while the sum is 56.

The spelling of 27399706652 in words is "twenty-seven billion, three hundred ninety-nine million, seven hundred six thousand, six hundred fifty-two".