2749346512 has 120 divisors (see below), whose sum is σ = 6317095680. Its totient is φ = 1154419200.

The previous prime is 2749346503. The next prime is 2749346519. The reversal of 2749346512 is 2156439472.

It is a super-2 number, since 2×2749346512² = 15117812486093132288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2749346519) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1507233 + ... + 1509055.

It is an arithmetic number, because the mean of its divisors is an integer number (52642464).

Almost surely, 2^2749346512 is an apocalyptic number.

2749346512 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2749346512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3158547840).

2749346512 is an abundant number, since it is smaller than the sum of its proper divisors (3567749168).

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

2749346512 is a wasteful number, since it uses less digits than its factorization.

2749346512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1913 (or 1896 counting only the distinct ones).

The product of its digits is 362880, while the sum is 43.

The square root of 2749346512 is about 52434.2112747012. The cubic root of 2749346512 is about 1400.9086808344.

The spelling of 2749346512 in words is "two billion, seven hundred forty-nine million, three hundred forty-six thousand, five hundred twelve".