1053444465 has 12 divisors (see below), whose sum is σ = 1825970484. Its totient is φ = 561837024.

The previous prime is 1053444463. The next prime is 1053444473. The reversal of 1053444465 is 5644443501.

It can be written as a sum of positive squares in 2 ways, for example, as 490046769 + 563397696 = 22137^2 + 23736^2 .

It is not a de Polignac number, because 1053444465 - 2¹ = 1053444463 is a prime.

It is a super-2 number, since 2×1053444465² = 2219490481678272450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1053444463) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11704894 + ... + 11704983.

It is an arithmetic number, because the mean of its divisors is an integer number (152164207).

Almost surely, 2^1053444465 is an apocalyptic number.

1053444465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1053444465 is a deficient number, since it is larger than the sum of its proper divisors (772526019).

1053444465 is a wasteful number, since it uses less digits than its factorization.

1053444465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23409888 (or 23409885 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

The square root of 1053444465 is about 32456.8092239518. The cubic root of 1053444465 is about 1017.5065537754.

Adding to 1053444465 its reverse (5644443501), we get a palindrome (6697887966).

The spelling of 1053444465 in words is "one billion, fifty-three million, four hundred forty-four thousand, four hundred sixty-five".