3797721827949 has 48 divisors (see below), whose sum is σ = 5910908011008. Its totient is φ = 2162553912288.

The previous prime is 3797721827941. The next prime is 3797721827957. The reversal of 3797721827949 is 9497281277973.

It is an interprime number because it is at equal distance from previous prime (3797721827941) and next prime (3797721827957).

It is not a de Polignac number, because 3797721827949 - 2³ = 3797721827941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3797721827941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 286246614 + ... + 286259880.

It is an arithmetic number, because the mean of its divisors is an integer number (123143916896).

Almost surely, 2^{3797721827949} is an apocalyptic number.

It is an amenable number.

3797721827949 is a deficient number, since it is larger than the sum of its proper divisors (2113186183059).

3797721827949 is a wasteful number, since it uses less digits than its factorization.

3797721827949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19934 (or 19927 counting only the distinct ones).

The product of its digits is 672126336, while the sum is 75.

The spelling of 3797721827949 in words is "three trillion, seven hundred ninety-seven billion, seven hundred twenty-one million, eight hundred twenty-seven thousand, nine hundred forty-nine".