2123646463260 has 108 divisors (see below), whose sum is σ = 7493438265768. Its totient is φ = 485404903872.

The previous prime is 2123646463259. The next prime is 2123646463273. The reversal of 2123646463260 is 623646463212.

2123646463260 is a `hidden beast` number, since 2 + 1 + 2 + 3 + 6 + 4 + 6 + 4 + 632 + 6 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 120379302 + ... + 120396941.

It is an arithmetic number, because the mean of its divisors is an integer number (69383687646).

Almost surely, 2^{2123646463260} is an apocalyptic number.

2123646463260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2123646463260 is an abundant number, since it is smaller than the sum of its proper divisors (5369791802508).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2123646463260 is a wasteful number, since it uses less digits than its factorization.

2123646463260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240776272 (or 240776260 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 45.

The spelling of 2123646463260 in words is "two trillion, one hundred twenty-three billion, six hundred forty-six million, four hundred sixty-three thousand, two hundred sixty".