6201918451 has 4 divisors (see below), whose sum is σ = 6286876312. Its totient is φ = 6116960592.

The previous prime is 6201918439. The next prime is 6201918473. The reversal of 6201918451 is 1548191026.

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 6201918451 - 2¹⁷ = 6201787379 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6201918451.

It is not an unprimeable number, because it can be changed into a prime (6201915451) 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, 42478821 + ... + 42478966.

It is an arithmetic number, because the mean of its divisors is an integer number (1571719078).

Almost surely, 2^6201918451 is an apocalyptic number.

6201918451 is a deficient number, since it is larger than the sum of its proper divisors (84957861).

6201918451 is an equidigital number, since it uses as much as digits as its factorization.

6201918451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84957860.

The product of its (nonzero) digits is 17280, while the sum is 37.

The square root of 6201918451 is about 78752.2599739207. The cubic root of 6201918451 is about 1837.2800126354.

The spelling of 6201918451 in words is "six billion, two hundred one million, nine hundred eighteen thousand, four hundred fifty-one".