545345152400639 has 2 divisors, whose sum is σ = 545345152400640. Its totient is φ = 545345152400638.

The previous prime is 545345152400473. The next prime is 545345152400677. The reversal of 545345152400639 is 936004251543545.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 545345152400639 - 2⁸ = 545345152400383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (545345157400639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272672576200319 + 272672576200320.

It is an arithmetic number, because the mean of its divisors is an integer number (272672576200320).

Almost surely, 2^{545345152400639} is an apocalyptic number.

545345152400639 is a deficient number, since it is larger than the sum of its proper divisors (1).

545345152400639 is an equidigital number, since it uses as much as digits as its factorization.

545345152400639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880000, while the sum is 56.

The spelling of 545345152400639 in words is "five hundred forty-five trillion, three hundred forty-five billion, one hundred fifty-two million, four hundred thousand, six hundred thirty-nine".