45213161687 has 2 divisors, whose sum is σ = 45213161688. Its totient is φ = 45213161686.

The previous prime is 45213161647. The next prime is 45213161779. The reversal of 45213161687 is 78616131254.

45213161687 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45213161687 - 2¹⁶ = 45213096151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45213161627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22606580843 + 22606580844.

It is an arithmetic number, because the mean of its divisors is an integer number (22606580844).

Almost surely, 2^45213161687 is an apocalyptic number.

45213161687 is a deficient number, since it is larger than the sum of its proper divisors (1).

45213161687 is an equidigital number, since it uses as much as digits as its factorization.

45213161687 is an evil number, because the sum of its binary digits is even.

The product of its digits is 241920, while the sum is 44.

The spelling of 45213161687 in words is "forty-five billion, two hundred thirteen million, one hundred sixty-one thousand, six hundred eighty-seven".