45603955323781 has 2 divisors, whose sum is σ = 45603955323782. Its totient is φ = 45603955323780.

The previous prime is 45603955323643. The next prime is 45603955323919. The reversal of 45603955323781 is 18732355930654.

It is a balanced prime because it is at equal distance from previous prime (45603955323643) and next prime (45603955323919).

It can be written as a sum of positive squares in only one way, i.e., 30951519701281 + 14652435622500 = 5563409^2 + 3827850^2 .

It is a cyclic number.

It is not a de Polignac number, because 45603955323781 - 2¹⁷ = 45603955192709 is a prime.

It is a super-2 number, since 2×45603955323781² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45603955323181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22801977661890 + 22801977661891.

It is an arithmetic number, because the mean of its divisors is an integer number (22801977661891).

It is a 1-persistent number, because it is pandigital, but 2⋅45603955323781 = 91207910647562 is not.

Almost surely, 2^{45603955323781} is an apocalyptic number.

It is an amenable number.

45603955323781 is a deficient number, since it is larger than the sum of its proper divisors (1).

45603955323781 is an equidigital number, since it uses as much as digits as its factorization.

45603955323781 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648000, while the sum is 61.

The spelling of 45603955323781 in words is "forty-five trillion, six hundred three billion, nine hundred fifty-five million, three hundred twenty-three thousand, seven hundred eighty-one".