34440025513 has 4 divisors (see below), whose sum is σ = 34440396688. Its totient is φ = 34439654340.

The previous prime is 34440025471. The next prime is 34440025519. The reversal of 34440025513 is 31552004443.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 31552004443 = 152041 ⋅207523.

It is a cyclic number.

It is not a de Polignac number, because 34440025513 - 2¹³ = 34440017321 is a prime.

It is a super-2 number, since 2×34440025513² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34440025519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90418 + ... + 277588.

It is an arithmetic number, because the mean of its divisors is an integer number (8610099172).

Almost surely, 2^34440025513 is an apocalyptic number.

It is an amenable number.

34440025513 is a deficient number, since it is larger than the sum of its proper divisors (371175).

34440025513 is a wasteful number, since it uses less digits than its factorization.

34440025513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371174.

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 34440025513 its reverse (31552004443), we get a palindrome (65992029956).

The spelling of 34440025513 in words is "thirty-four billion, four hundred forty million, twenty-five thousand, five hundred thirteen".