7463326561 has 4 divisors (see below), whose sum is σ = 7489886724. Its totient is φ = 7436766400.

The previous prime is 7463326457. The next prime is 7463326613. The reversal of 7463326561 is 1656233647.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4684033600 + 2779292961 = 68440^2 + 52719^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7463326561 is a prime.

It is a super-2 number, since 2×7463326561² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7463626561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13279660 + ... + 13280221.

It is an arithmetic number, because the mean of its divisors is an integer number (1872471681).

Almost surely, 2^7463326561 is an apocalyptic number.

It is an amenable number.

7463326561 is a deficient number, since it is larger than the sum of its proper divisors (26560163).

7463326561 is a wasteful number, since it uses less digits than its factorization.

7463326561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26560162.

The product of its digits is 544320, while the sum is 43.

The square root of 7463326561 is about 86390.5467108526. The cubic root of 7463326561 is about 1954.2381248231.

The spelling of 7463326561 in words is "seven billion, four hundred sixty-three million, three hundred twenty-six thousand, five hundred sixty-one".