2145326063631 has 8 divisors (see below), whose sum is σ = 2864413105920. Its totient is φ = 1428228198552.

The previous prime is 2145326063627. The next prime is 2145326063669. The reversal of 2145326063631 is 1363606235412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2145326063631 - 2² = 2145326063627 is a prime.

It is a super-2 number, since 2×2145326063631² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2145326063131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 497291785 + ... + 497296098.

It is an arithmetic number, because the mean of its divisors is an integer number (358051638240).

Almost surely, 2^{2145326063631} is an apocalyptic number.

2145326063631 is a deficient number, since it is larger than the sum of its proper divisors (719087042289).

2145326063631 is an equidigital number, since it uses as much as digits as its factorization.

2145326063631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 994588605.

The product of its (nonzero) digits is 466560, while the sum is 42.

The spelling of 2145326063631 in words is "two trillion, one hundred forty-five billion, three hundred twenty-six million, sixty-three thousand, six hundred thirty-one".