44139765049153 has 2 divisors, whose sum is σ = 44139765049154. Its totient is φ = 44139765049152.

The previous prime is 44139765049139. The next prime is 44139765049201. The reversal of 44139765049153 is 35194056793144.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43903186898704 + 236578150449 = 6625948^2 + 486393^2 .

It is a cyclic number.

It is not a de Polignac number, because 44139765049153 - 2²¹ = 44139762952001 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 44139765049091 and 44139765049100.

It is not a weakly prime, because it can be changed into another prime (44139765049123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22069882524576 + 22069882524577.

It is an arithmetic number, because the mean of its divisors is an integer number (22069882524577).

Almost surely, 2^{44139765049153} is an apocalyptic number.

It is an amenable number.

44139765049153 is a deficient number, since it is larger than the sum of its proper divisors (1).

44139765049153 is an equidigital number, since it uses as much as digits as its factorization.

44139765049153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48988800, while the sum is 61.

The spelling of 44139765049153 in words is "forty-four trillion, one hundred thirty-nine billion, seven hundred sixty-five million, forty-nine thousand, one hundred fifty-three".