44212420451 has 2 divisors, whose sum is σ = 44212420452. Its totient is φ = 44212420450.

The previous prime is 44212420393. The next prime is 44212420457. The reversal of 44212420451 is 15402421244.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44212420451 is a prime.

It is not a weakly prime, because it can be changed into another prime (44212420457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22106210225 + 22106210226.

It is an arithmetic number, because the mean of its divisors is an integer number (22106210226).

Almost surely, 2^44212420451 is an apocalyptic number.

44212420451 is a deficient number, since it is larger than the sum of its proper divisors (1).

44212420451 is an equidigital number, since it uses as much as digits as its factorization.

44212420451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10240, while the sum is 29.

Adding to 44212420451 its reverse (15402421244), we get a palindrome (59614841695).

The spelling of 44212420451 in words is "forty-four billion, two hundred twelve million, four hundred twenty thousand, four hundred fifty-one".