6144898731 has 4 divisors (see below), whose sum is σ = 8193198312. Its totient is φ = 4096599152.

The previous prime is 6144898729. The next prime is 6144898741. The reversal of 6144898731 is 1378984416.

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

It is a cyclic number.

It is not a de Polignac number, because 6144898731 - 2¹ = 6144898729 is a prime.

It is a super-2 number, since 2×6144898731² = 75519560828490820722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6144898741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1024149786 + ... + 1024149791.

It is an arithmetic number, because the mean of its divisors is an integer number (2048299578).

Almost surely, 2^6144898731 is an apocalyptic number.

6144898731 is a deficient number, since it is larger than the sum of its proper divisors (2048299581).

6144898731 is a wasteful number, since it uses less digits than its factorization.

6144898731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2048299580.

The product of its digits is 1161216, while the sum is 51.

The square root of 6144898731 is about 78389.4044562146. The cubic root of 6144898731 is about 1831.6320884340.

The spelling of 6144898731 in words is "six billion, one hundred forty-four million, eight hundred ninety-eight thousand, seven hundred thirty-one".