2749719416381 has 8 divisors (see below), whose sum is σ = 3142576410624. Its totient is φ = 2356872405840.

The previous prime is 2749719416363. The next prime is 2749719416387. The reversal of 2749719416381 is 1836149179472.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2749719416381 is a prime.

It is a super-3 number, since 3×2749719416381³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2749719416387) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1896125 + ... + 3015746.

It is an arithmetic number, because the mean of its divisors is an integer number (392822051328).

Almost surely, 2^{2749719416381} is an apocalyptic number.

It is an amenable number.

2749719416381 is a deficient number, since it is larger than the sum of its proper divisors (392856994243).

2749719416381 is an equidigital number, since it uses as much as digits as its factorization.

2749719416381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4991851.

The product of its digits is 18289152, while the sum is 62.

The spelling of 2749719416381 in words is "two trillion, seven hundred forty-nine billion, seven hundred nineteen million, four hundred sixteen thousand, three hundred eighty-one".