6261472021 has 16 divisors (see below), whose sum is σ = 7548802560. Its totient is φ = 5073565680.

The previous prime is 6261472013. The next prime is 6261472051. The reversal of 6261472021 is 1202741626.

It is a cyclic number.

It is not a de Polignac number, because 6261472021 - 2³ = 6261472013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6261472051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11706 + ... + 112516.

It is an arithmetic number, because the mean of its divisors is an integer number (471800160).

Almost surely, 2^6261472021 is an apocalyptic number.

It is an amenable number.

6261472021 is a deficient number, since it is larger than the sum of its proper divisors (1287330539).

6261472021 is a wasteful number, since it uses less digits than its factorization.

6261472021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101304.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 6261472021 is about 79129.4636718839. The cubic root of 6261472021 is about 1843.1420814438.

The spelling of 6261472021 in words is "six billion, two hundred sixty-one million, four hundred seventy-two thousand, twenty-one".