2729398771252 has 12 divisors (see below), whose sum is σ = 5027839841920. Its totient is φ = 1292873102136.

The previous prime is 2729398771103. The next prime is 2729398771273. The reversal of 2729398771252 is 2521778939272.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17956570788 + ... + 17956570939.

Almost surely, 2^{2729398771252} is an apocalyptic number.

It is an amenable number.

2729398771252 is a deficient number, since it is larger than the sum of its proper divisors (2298441070668).

2729398771252 is a wasteful number, since it uses less digits than its factorization.

2729398771252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35913141750 (or 35913141748 counting only the distinct ones).

The product of its digits is 53343360, while the sum is 64.

The spelling of 2729398771252 in words is "two trillion, seven hundred twenty-nine billion, three hundred ninety-eight million, seven hundred seventy-one thousand, two hundred fifty-two".