6214154451 has 4 divisors (see below), whose sum is σ = 8285539272. Its totient is φ = 4142769632.

The previous prime is 6214154447. The next prime is 6214154489. The reversal of 6214154451 is 1544514126.

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 6214154451 - 2² = 6214154447 is a prime.

It is a super-2 number, since 2×6214154451² = 77231431081766222802, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6214154411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1035692406 + ... + 1035692411.

It is an arithmetic number, because the mean of its divisors is an integer number (2071384818).

Almost surely, 2^6214154451 is an apocalyptic number.

6214154451 is a deficient number, since it is larger than the sum of its proper divisors (2071384821).

6214154451 is a wasteful number, since it uses less digits than its factorization.

6214154451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2071384820.

The product of its digits is 19200, while the sum is 33.

The square root of 6214154451 is about 78829.9083533655. The cubic root of 6214154451 is about 1838.4874986783.

Adding to 6214154451 its reverse (1544514126), we get a palindrome (7758668577).

The spelling of 6214154451 in words is "six billion, two hundred fourteen million, one hundred fifty-four thousand, four hundred fifty-one".