7253434381 has 4 divisors (see below), whose sum is σ = 7289884000. Its totient is φ = 7216984764.

The previous prime is 7253434361. The next prime is 7253434417. The reversal of 7253434381 is 1834343527.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7253434381 is a prime.

It is a super-2 number, since 2×7253434381² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7253434301) 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, 18224511 + ... + 18224908.

It is an arithmetic number, because the mean of its divisors is an integer number (1822471000).

Almost surely, 2^7253434381 is an apocalyptic number.

It is an amenable number.

7253434381 is a deficient number, since it is larger than the sum of its proper divisors (36449619).

7253434381 is a wasteful number, since it uses less digits than its factorization.

7253434381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36449618.

The product of its digits is 241920, while the sum is 40.

The square root of 7253434381 is about 85167.0968214838. The cubic root of 7253434381 is about 1935.7438827639.

The spelling of 7253434381 in words is "seven billion, two hundred fifty-three million, four hundred thirty-four thousand, three hundred eighty-one".