6144938199451 has 4 divisors (see below), whose sum is σ = 6144950703352. Its totient is φ = 6144925695552.

The previous prime is 6144938199383. The next prime is 6144938199461. The reversal of 6144938199451 is 1549918394416.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6144938199451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6144938199461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5483286 + ... + 6508171.

It is an arithmetic number, because the mean of its divisors is an integer number (1536237675838).

Almost surely, 2^{6144938199451} is an apocalyptic number.

6144938199451 is a deficient number, since it is larger than the sum of its proper divisors (12503901).

6144938199451 is a wasteful number, since it uses less digits than its factorization.

6144938199451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12503900.

The product of its digits is 33592320, while the sum is 64.

The spelling of 6144938199451 in words is "six trillion, one hundred forty-four billion, nine hundred thirty-eight million, one hundred ninety-nine thousand, four hundred fifty-one".