7464687575681 has 12 divisors (see below), whose sum is σ = 8696588765040. Its totient is φ = 6388594498440.

The previous prime is 7464687575677. The next prime is 7464687575713. The reversal of 7464687575681 is 1865757864647.

It is not a de Polignac number, because 7464687575681 - 2² = 7464687575677 is a prime.

It is a super-2 number, since 2×7464687575681² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 7464687575599 and 7464687575608.

It is not an unprimeable number, because it can be changed into a prime (7464687575641) 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, 115552355 + ... + 115616936.

It is an arithmetic number, because the mean of its divisors is an integer number (724715730420).

Almost surely, 2^{7464687575681} is an apocalyptic number.

It is an amenable number.

7464687575681 is a deficient number, since it is larger than the sum of its proper divisors (1231901189359).

7464687575681 is a wasteful number, since it uses less digits than its factorization.

7464687575681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231169964 (or 231169957 counting only the distinct ones).

The product of its digits is 1896652800, while the sum is 74.

The spelling of 7464687575681 in words is "seven trillion, four hundred sixty-four billion, six hundred eighty-seven million, five hundred seventy-five thousand, six hundred eighty-one".