2251651141573 has 2 divisors, whose sum is σ = 2251651141574. Its totient is φ = 2251651141572.

The previous prime is 2251651141547. The next prime is 2251651141633. The reversal of 2251651141573 is 3751411561522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1309289754564 + 942361387009 = 1144242^2 + 970753^2 .

It is a cyclic number.

It is not a de Polignac number, because 2251651141573 - 2⁵ = 2251651141541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2251651141973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1125825570786 + 1125825570787.

It is an arithmetic number, because the mean of its divisors is an integer number (1125825570787).

Almost surely, 2^{2251651141573} is an apocalyptic number.

It is an amenable number.

2251651141573 is a deficient number, since it is larger than the sum of its proper divisors (1).

2251651141573 is an equidigital number, since it uses as much as digits as its factorization.

2251651141573 is an evil number, because the sum of its binary digits is even.

The product of its digits is 252000, while the sum is 43.

The spelling of 2251651141573 in words is "two trillion, two hundred fifty-one billion, six hundred fifty-one million, one hundred forty-one thousand, five hundred seventy-three".