2749506997734 has 24 divisors (see below), whose sum is σ = 6808303042320. Its totient is φ = 785573427888.

The previous prime is 2749506997703. The next prime is 2749506997763. The reversal of 2749506997734 is 4377996059472.

It is a happy number.

2749506997734 is a `hidden beast` number, since 2 + 7 + 49 + 506 + 9 + 9 + 7 + 73 + 4 = 666.

It is a super-2 number, since 2×2749506997734² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10910741929 + ... + 10910742180.

It is an arithmetic number, because the mean of its divisors is an integer number (283679293430).

Almost surely, 2^{2749506997734} is an apocalyptic number.

2749506997734 is an abundant number, since it is smaller than the sum of its proper divisors (4058796044586).

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

2749506997734 is a wasteful number, since it uses less digits than its factorization.

2749506997734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21821484124 (or 21821484121 counting only the distinct ones).

The product of its (nonzero) digits is 720135360, while the sum is 72.

The spelling of 2749506997734 in words is "two trillion, seven hundred forty-nine billion, five hundred six million, nine hundred ninety-seven thousand, seven hundred thirty-four".