6121504973 has 2 divisors, whose sum is σ = 6121504974. Its totient is φ = 6121504972.

The previous prime is 6121504969. The next prime is 6121504979. The reversal of 6121504973 is 3794051216.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4114196164 + 2007308809 = 64142^2 + 44803^2 .

It is a cyclic number.

It is not a de Polignac number, because 6121504973 - 2² = 6121504969 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6121504979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3060752486 + 3060752487.

It is an arithmetic number, because the mean of its divisors is an integer number (3060752487).

Almost surely, 2^6121504973 is an apocalyptic number.

It is an amenable number.

6121504973 is a deficient number, since it is larger than the sum of its proper divisors (1).

6121504973 is an equidigital number, since it uses as much as digits as its factorization.

6121504973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 6121504973 is about 78240.0471178283. The cubic root of 6121504973 is about 1829.3047786676.

The spelling of 6121504973 in words is "six billion, one hundred twenty-one million, five hundred four thousand, nine hundred seventy-three".