6012737921 has 2 divisors, whose sum is σ = 6012737922. Its totient is φ = 6012737920.

The previous prime is 6012737903. The next prime is 6012737923. The reversal of 6012737921 is 1297372106.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3207976321 + 2804761600 = 56639^2 + 52960^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6012737921 is a prime.

It is a Sophie Germain prime.

Together with 6012737923, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (6012737923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3006368960 + 3006368961.

It is an arithmetic number, because the mean of its divisors is an integer number (3006368961).

Almost surely, 2^6012737921 is an apocalyptic number.

It is an amenable number.

6012737921 is a deficient number, since it is larger than the sum of its proper divisors (1).

6012737921 is an equidigital number, since it uses as much as digits as its factorization.

6012737921 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 6012737921 is about 77541.8462573596. The cubic root of 6012737921 is about 1818.4055916132.

The spelling of 6012737921 in words is "six billion, twelve million, seven hundred thirty-seven thousand, nine hundred twenty-one".