6212661403 has 16 divisors (see below), whose sum is σ = 6800475136. Its totient is φ = 5641293600.

The previous prime is 6212661391. The next prime is 6212661409. The reversal of 6212661403 is 3041662126.

It is a cyclic number.

It is not a de Polignac number, because 6212661403 - 2⁹ = 6212660891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6212661409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 186826 + ... + 217552.

It is an arithmetic number, because the mean of its divisors is an integer number (425029696).

Almost surely, 2^6212661403 is an apocalyptic number.

6212661403 is a deficient number, since it is larger than the sum of its proper divisors (587813733).

6212661403 is a wasteful number, since it uses less digits than its factorization.

6212661403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30994.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 6212661403 is about 78820.4377239812. The cubic root of 6212661403 is about 1838.3402450724.

The spelling of 6212661403 in words is "six billion, two hundred twelve million, six hundred sixty-one thousand, four hundred three".