6430064782875 has 64 divisors (see below), whose sum is σ = 11392310292480. Its totient is φ = 3209608281600.

The previous prime is 6430064782873. The next prime is 6430064782877. The reversal of 6430064782875 is 5782874600346.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (6430064782873) and next prime (6430064782877).

It is not a de Polignac number, because 6430064782875 - 2¹ = 6430064782873 is a prime.

It is a super-2 number, since 2×6430064782875² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6430064782873) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1676299 + ... + 3958548.

It is an arithmetic number, because the mean of its divisors is an integer number (178004848320).

Almost surely, 2^{6430064782875} is an apocalyptic number.

6430064782875 is a deficient number, since it is larger than the sum of its proper divisors (4962245509605).

6430064782875 is a wasteful number, since it uses less digits than its factorization.

6430064782875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5635061 (or 5635051 counting only the distinct ones).

The product of its (nonzero) digits is 54190080, while the sum is 60.

The spelling of 6430064782875 in words is "six trillion, four hundred thirty billion, sixty-four million, seven hundred eighty-two thousand, eight hundred seventy-five".