44999979769 has 2 divisors, whose sum is σ = 44999979770. Its totient is φ = 44999979768.

The previous prime is 44999979737. The next prime is 44999979793. The reversal of 44999979769 is 96797999944.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26053833744 + 18946146025 = 161412^2 + 137645^2 .

It is a cyclic number.

It is not a de Polignac number, because 44999979769 - 2⁵ = 44999979737 is a prime.

It is a super-2 number, since 2×44999979769² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 44999979692 and 44999979701.

It is not a weakly prime, because it can be changed into another prime (44999949769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22499989884 + 22499989885.

It is an arithmetic number, because the mean of its divisors is an integer number (22499989885).

Almost surely, 2^44999979769 is an apocalyptic number.

It is an amenable number.

44999979769 is a deficient number, since it is larger than the sum of its proper divisors (1).

44999979769 is an equidigital number, since it uses as much as digits as its factorization.

44999979769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2499898464, while the sum is 82.

The spelling of 44999979769 in words is "forty-four billion, nine hundred ninety-nine million, nine hundred seventy-nine thousand, seven hundred sixty-nine".