2143486512 has 240 divisors, whose sum is σ = 6471728640. Its totient is φ = 661022208.

The previous prime is 2143486493. The next prime is 2143486549. The reversal of 2143486512 is 2156843412.

It is a happy number.

2143486512 is a `hidden beast` number, since 21 + 43 + 4 + 86 + 512 = 666.

It is a super-2 number, since 2×2143486512² = 9189068854251852288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

Its product of digits (46080) is a multiple of the sum of its prime factors (320).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13150143 + ... + 13150305.

It is an arithmetic number, because the mean of its divisors is an integer number (26965536).

Almost surely, 2^2143486512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2143486512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3235864320).

2143486512 is an abundant number, since it is smaller than the sum of its proper divisors (4328242128).

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

2143486512 is a wasteful number, since it uses less digits than its factorization.

2143486512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320 (or 311 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 2143486512 is about 46297.8024532483. The cubic root of 2143486512 is about 1289.3581952526.

The spelling of 2143486512 in words is "two billion, one hundred forty-three million, four hundred eighty-six thousand, five hundred twelve".