6215644098 has 12 divisors (see below), whose sum is σ = 13467228918. Its totient is φ = 2071881360.

The previous prime is 6215644087. The next prime is 6215644117. The reversal of 6215644098 is 8904465126.

It can be written as a sum of positive squares in only one way, i.e., 6089149089 + 126495009 = 78033^2 + 11247^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 172656763 + ... + 172656798.

Almost surely, 2^6215644098 is an apocalyptic number.

6215644098 is an abundant number, since it is smaller than the sum of its proper divisors (7251584820).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6215644098 is a wasteful number, since it uses less digits than its factorization.

6215644098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345313569 (or 345313566 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The square root of 6215644098 is about 78839.3562759108. The cubic root of 6215644098 is about 1838.6343933523.

The spelling of 6215644098 in words is "six billion, two hundred fifteen million, six hundred forty-four thousand, ninety-eight".