2151461435644 has 12 divisors (see below), whose sum is σ = 3807361530000. Its totient is φ = 1063643855648.

The previous prime is 2151461435633. The next prime is 2151461435659. The reversal of 2151461435644 is 4465341641512.

It is a junction number, because it is equal to n+sod(n) for n = 2151461435594 and 2151461435603.

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 3 ways as a sum of consecutive naturals, for example, 3021715144 + ... + 3021715855.

It is an arithmetic number, because the mean of its divisors is an integer number (317280127500).

Almost surely, 2^{2151461435644} is an apocalyptic number.

It is an amenable number.

2151461435644 is a deficient number, since it is larger than the sum of its proper divisors (1655900094356).

2151461435644 is a wasteful number, since it uses less digits than its factorization.

2151461435644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6043431092 (or 6043431090 counting only the distinct ones).

The product of its digits is 1382400, while the sum is 46.

The spelling of 2151461435644 in words is "two trillion, one hundred fifty-one billion, four hundred sixty-one million, four hundred thirty-five thousand, six hundred forty-four".