2986919749 has 8 divisors (see below), whose sum is σ = 3277971648. Its totient is φ = 2699120160.

The previous prime is 2986919711. The next prime is 2986919759. The reversal of 2986919749 is 9479196892.

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

It is a de Polignac number, because none of the positive numbers 2^k-2986919749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2986919759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 811152 + ... + 814825.

It is an arithmetic number, because the mean of its divisors is an integer number (409746456).

Almost surely, 2^2986919749 is an apocalyptic number.

It is an amenable number.

2986919749 is a deficient number, since it is larger than the sum of its proper divisors (291051899).

2986919749 is a wasteful number, since it uses less digits than its factorization.

2986919749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1626155.

The product of its digits is 17635968, while the sum is 64.

The square root of 2986919749 is about 54652.7195023267. The cubic root of 2986919749 is about 1440.1504069040.

The spelling of 2986919749 in words is "two billion, nine hundred eighty-six million, nine hundred nineteen thousand, seven hundred forty-nine".