6404272102730 has 8 divisors (see below), whose sum is σ = 11527689784932. Its totient is φ = 2561708841088.

The previous prime is 6404272102721. The next prime is 6404272102819. The reversal of 6404272102730 is 372012724046.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6211105699681 + 193166403049 = 2492209^2 + 439507^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 320213605127 + ... + 320213605146.

Almost surely, 2^{6404272102730} is an apocalyptic number.

6404272102730 is a deficient number, since it is larger than the sum of its proper divisors (5123417682202).

6404272102730 is a wasteful number, since it uses less digits than its factorization.

6404272102730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640427210280.

The product of its (nonzero) digits is 112896, while the sum is 38.

Adding to 6404272102730 its reverse (372012724046), we get a palindrome (6776284826776).

The spelling of 6404272102730 in words is "six trillion, four hundred four billion, two hundred seventy-two million, one hundred two thousand, seven hundred thirty".