63213623045 has 16 divisors (see below), whose sum is σ = 78925710960. Its totient is φ = 48544817664.

The previous prime is 63213623027. The next prime is 63213623047. The reversal of 63213623045 is 54032631236.

It can be written as a sum of positive squares in 8 ways, for example, as 3367829089 + 59845793956 = 58033^2 + 244634^2 .

It is a cyclic number.

It is not a de Polignac number, because 63213623045 - 2⁸ = 63213622789 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 63213622996 and 63213623014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63213623047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1234904 + ... + 1285073.

It is an arithmetic number, because the mean of its divisors is an integer number (4932856935).

Almost surely, 2^63213623045 is an apocalyptic number.

It is an amenable number.

63213623045 is a deficient number, since it is larger than the sum of its proper divisors (15712087915).

63213623045 is a wasteful number, since it uses less digits than its factorization.

63213623045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2520184.

The product of its (nonzero) digits is 77760, while the sum is 35.

The spelling of 63213623045 in words is "sixty-three billion, two hundred thirteen million, six hundred twenty-three thousand, forty-five".