2742080981929 has 9 divisors (see below), whose sum is σ = 2750457248599. Its totient is φ = 2733730162240.

The previous prime is 2742080981903. The next prime is 2742080981963. The reversal of 2742080981929 is 9291890802472.

The square root of 2742080981929 is 1655923.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1114027475625 + 1628053506304 = 1055475^2 + 1275952^2 .

It is not a de Polignac number, because 2742080981929 - 2⁴¹ = 543057726377 is a prime.

It is a super-2 number, since 2×2742080981929² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2742080781929) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 584538474 + ... + 584543164.

Almost surely, 2^{2742080981929} is an apocalyptic number.

2742080981929 is the 1655923-rd square number.

2742080981929 is the 827962-nd centered octagonal number.

It is an amenable number.

2742080981929 is a deficient number, since it is larger than the sum of its proper divisors (8376266670).

2742080981929 is an frugal number, since it uses more digits than its factorization.

2742080981929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10088 (or 5044 counting only the distinct ones).

The product of its (nonzero) digits is 10450944, while the sum is 61.

The spelling of 2742080981929 in words is "two trillion, seven hundred forty-two billion, eighty million, nine hundred eighty-one thousand, nine hundred twenty-nine".