2051251062473 has 2 divisors, whose sum is σ = 2051251062474. Its totient is φ = 2051251062472.

The previous prime is 2051251062461. The next prime is 2051251062481. The reversal of 2051251062473 is 3742601521502.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1208585813449 + 842665249024 = 1099357^2 + 917968^2 .

It is a cyclic number.

It is not a de Polignac number, because 2051251062473 - 2²⁸ = 2050982627017 is a prime.

It is a super-2 number, since 2×2051251062473² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2051251062403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1025625531236 + 1025625531237.

It is an arithmetic number, because the mean of its divisors is an integer number (1025625531237).

Almost surely, 2^{2051251062473} is an apocalyptic number.

It is an amenable number.

2051251062473 is a deficient number, since it is larger than the sum of its proper divisors (1).

2051251062473 is an equidigital number, since it uses as much as digits as its factorization.

2051251062473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 100800, while the sum is 38.

Adding to 2051251062473 its reverse (3742601521502), we get a palindrome (5793852583975).

The spelling of 2051251062473 in words is "two trillion, fifty-one billion, two hundred fifty-one million, sixty-two thousand, four hundred seventy-three".