6121732772473 has 2 divisors, whose sum is σ = 6121732772474. Its totient is φ = 6121732772472.

The previous prime is 6121732772453. The next prime is 6121732772543. The reversal of 6121732772473 is 3742772371216.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3767512056064 + 2354220716409 = 1941008^2 + 1534347^2 .

It is a cyclic number.

It is not a de Polignac number, because 6121732772473 - 2¹³ = 6121732764281 is a prime.

It is a super-2 number, since 2×6121732772473² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6121732772473.

It is not a weakly prime, because it can be changed into another prime (6121732772443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3060866386236 + 3060866386237.

It is an arithmetic number, because the mean of its divisors is an integer number (3060866386237).

Almost surely, 2^{6121732772473} is an apocalyptic number.

It is an amenable number.

6121732772473 is a deficient number, since it is larger than the sum of its proper divisors (1).

6121732772473 is an equidigital number, since it uses as much as digits as its factorization.

6121732772473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4148928, while the sum is 52.

The spelling of 6121732772473 in words is "six trillion, one hundred twenty-one billion, seven hundred thirty-two million, seven hundred seventy-two thousand, four hundred seventy-three".