7298161537 has 4 divisors (see below), whose sum is σ = 7302458800. Its totient is φ = 7293864276.

The previous prime is 7298161447. The next prime is 7298161561. The reversal of 7298161537 is 7351618927.

It is a happy number.

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-7298161537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7298161597) 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, 2146083 + ... + 2149480.

It is an arithmetic number, because the mean of its divisors is an integer number (1825614700).

Almost surely, 2^7298161537 is an apocalyptic number.

It is an amenable number.

7298161537 is a deficient number, since it is larger than the sum of its proper divisors (4297263).

7298161537 is a wasteful number, since it uses less digits than its factorization.

7298161537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4297262.

The product of its digits is 635040, while the sum is 49.

The square root of 7298161537 is about 85429.2779847752. The cubic root of 7298161537 is about 1939.7145519189.

The spelling of 7298161537 in words is "seven billion, two hundred ninety-eight million, one hundred sixty-one thousand, five hundred thirty-seven".