143620019000649 has 15 divisors (see below), whose sum is σ = 214543646294263. Its totient is φ = 95746607428824.

The previous prime is 143620019000641. The next prime is 143620019000657. The reversal of 143620019000649 is 946000910026341.

The square root of 143620019000649 is 11984157.

It is a perfect power (a square), and thus also a powerful number.

143620019000649 is a `hidden beast` number, since 1 + 4 + 3 + 620 + 0 + 19 + 0 + 0 + 0 + 6 + 4 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (143620019000641) and next prime (143620019000657).

It can be written as a sum of positive squares in only one way, i.e., 93648296612025 + 49971722388624 = 9677205^2 + 7069068^2 .

It is not a de Polignac number, because 143620019000649 - 2³ = 143620019000641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143620019000641) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 107191627 + ... + 108523199.

Almost surely, 2^{143620019000649} is an apocalyptic number.

143620019000649 is the 11984157-th square number.

143620019000649 is the 5992079-th centered octagonal number.

It is an amenable number.

143620019000649 is a deficient number, since it is larger than the sum of its proper divisors (70923627293614).

143620019000649 is an frugal number, since it uses more digits than its factorization.

143620019000649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2663158 (or 1331576 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The spelling of 143620019000649 in words is "one hundred forty-three trillion, six hundred twenty billion, nineteen million, six hundred forty-nine", and thus it is an aban number.