6412888897874 has 4 divisors (see below), whose sum is σ = 9619333346814. Its totient is φ = 3206444448936.

The previous prime is 6412888897843. The next prime is 6412888897879. The reversal of 6412888897874 is 4787988882146.

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

It can be written as a sum of positive squares in only one way, i.e., 5160134757649 + 1252754140225 = 2271593^2 + 1119265^2 .

It is a super-2 number, since 2×6412888897874² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6412888897879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1603222224467 + ... + 1603222224470.

Almost surely, 2^{6412888897874} is an apocalyptic number.

6412888897874 is a deficient number, since it is larger than the sum of its proper divisors (3206444448940).

6412888897874 is a wasteful number, since it uses less digits than its factorization.

6412888897874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3206444448939.

The product of its digits is 2774532096, while the sum is 80.

The spelling of 6412888897874 in words is "six trillion, four hundred twelve billion, eight hundred eighty-eight million, eight hundred ninety-seven thousand, eight hundred seventy-four".