6261532378 has 12 divisors (see below), whose sum is σ = 9977286942. Its totient is φ = 2946603200.

The previous prime is 6261532357. The next prime is 6261532379. The reversal of 6261532378 is 8732351626.

It can be written as a sum of positive squares in 3 ways, for example, as 5760354609 + 501177769 = 75897^2 + 22387^2 .

It is not an unprimeable number, because it can be changed into a prime (6261532379) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5415973 + ... + 5417128.

Almost surely, 2^6261532378 is an apocalyptic number.

6261532378 is a deficient number, since it is larger than the sum of its proper divisors (3715754564).

6261532378 is a wasteful number, since it uses less digits than its factorization.

6261532378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10833137 (or 10833120 counting only the distinct ones).

The product of its digits is 362880, while the sum is 43.

The square root of 6261532378 is about 79129.8450522936. The cubic root of 6261532378 is about 1843.1480037024.

The spelling of 6261532378 in words is "six billion, two hundred sixty-one million, five hundred thirty-two thousand, three hundred seventy-eight".