654224232451 has 4 divisors (see below), whose sum is σ = 663186208312. Its totient is φ = 645262256592.

The previous prime is 654224232433. The next prime is 654224232463. The reversal of 654224232451 is 154232422456.

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 654224232451 - 2²¹ = 654222135299 is a prime.

It is a super-2 number, since 2×654224232451² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (654224232421) 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, 4480987821 + ... + 4480987966.

It is an arithmetic number, because the mean of its divisors is an integer number (165796552078).

Almost surely, 2^654224232451 is an apocalyptic number.

654224232451 is a deficient number, since it is larger than the sum of its proper divisors (8961975861).

654224232451 is an equidigital number, since it uses as much as digits as its factorization.

654224232451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8961975860.

The product of its digits is 460800, while the sum is 40.

The spelling of 654224232451 in words is "six hundred fifty-four billion, two hundred twenty-four million, two hundred thirty-two thousand, four hundred fifty-one".