6198469121 has 4 divisors (see below), whose sum is σ = 6675274452. Its totient is φ = 5721663792.

The previous prime is 6198469103. The next prime is 6198469139. The reversal of 6198469121 is 1219648916.

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

It is an interprime number because it is at equal distance from previous prime (6198469103) and next prime (6198469139).

It can be written as a sum of positive squares in 2 ways, for example, as 349278721 + 5849190400 = 18689^2 + 76480^2 .

It is not a de Polignac number, because 6198469121 - 2¹⁴ = 6198452737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6198469721) 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 3 ways as a sum of consecutive naturals, for example, 238402646 + ... + 238402671.

It is an arithmetic number, because the mean of its divisors is an integer number (1668818613).

Almost surely, 2^6198469121 is an apocalyptic number.

It is an amenable number.

6198469121 is a deficient number, since it is larger than the sum of its proper divisors (476805331).

6198469121 is a wasteful number, since it uses less digits than its factorization.

6198469121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476805330.

The product of its digits is 186624, while the sum is 47.

The square root of 6198469121 is about 78730.3570485997. The cubic root of 6198469121 is about 1836.9393352374.

The spelling of 6198469121 in words is "six billion, one hundred ninety-eight million, four hundred sixty-nine thousand, one hundred twenty-one".