44626404997 has 2 divisors, whose sum is σ = 44626404998. Its totient is φ = 44626404996.

The previous prime is 44626404967. The next prime is 44626405027. The reversal of 44626404997 is 79940462644.

44626404997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (44626404967) and next prime (44626405027).

It can be written as a sum of positive squares in only one way, i.e., 24012911521 + 20613493476 = 154961^2 + 143574^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44626404997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44626404917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22313202498 + 22313202499.

It is an arithmetic number, because the mean of its divisors is an integer number (22313202499).

Almost surely, 2^44626404997 is an apocalyptic number.

It is an amenable number.

44626404997 is a deficient number, since it is larger than the sum of its proper divisors (1).

44626404997 is an equidigital number, since it uses as much as digits as its factorization.

44626404997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10450944, while the sum is 55.

The spelling of 44626404997 in words is "forty-four billion, six hundred twenty-six million, four hundred four thousand, nine hundred ninety-seven".