2729145979252 has 48 divisors (see below), whose sum is σ = 5956463011968. Its totient is φ = 1062953147520.

The previous prime is 2729145979249. The next prime is 2729145979253. The reversal of 2729145979252 is 2529795419272.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2729145979253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 523423 + ... + 2394214.

It is an arithmetic number, because the mean of its divisors is an integer number (124092979416).

Almost surely, 2^{2729145979252} is an apocalyptic number.

2729145979252 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2729145979252 is an abundant number, since it is smaller than the sum of its proper divisors (3227317032716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2729145979252 is a wasteful number, since it uses less digits than its factorization.

2729145979252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2920696 (or 2920694 counting only the distinct ones).

The product of its digits is 57153600, while the sum is 64.

The spelling of 2729145979252 in words is "two trillion, seven hundred twenty-nine billion, one hundred forty-five million, nine hundred seventy-nine thousand, two hundred fifty-two".