63145614313 has 4 divisors (see below), whose sum is σ = 63196172500. Its totient is φ = 63095056128.

The previous prime is 63145614307. The next prime is 63145614373. The reversal of 63145614313 is 31341654136.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20378133504 + 42767480809 = 142752^2 + 206803^2 .

It is a cyclic number.

It is not a de Polignac number, because 63145614313 - 2¹⁷ = 63145483241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63145614373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25277220 + ... + 25279717.

It is an arithmetic number, because the mean of its divisors is an integer number (15799043125).

Almost surely, 2^63145614313 is an apocalyptic number.

It is an amenable number.

63145614313 is a deficient number, since it is larger than the sum of its proper divisors (50558187).

63145614313 is a wasteful number, since it uses less digits than its factorization.

63145614313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50558186.

The product of its digits is 77760, while the sum is 37.

The spelling of 63145614313 in words is "sixty-three billion, one hundred forty-five million, six hundred fourteen thousand, three hundred thirteen".