1043959374864 has 900 divisors, whose sum is σ = 3874980092544. Its totient is φ = 265712265216.

The previous prime is 1043959374859. The next prime is 1043959374889. The reversal of 1043959374864 is 4684739593401.

1043959374864 is a `hidden beast` number, since 1 + 0 + 4 + 39 + 593 + 7 + 4 + 8 + 6 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 179 ways as a sum of consecutive naturals, for example, 946472137 + ... + 946473239.

Almost surely, 2^{1043959374864} is an apocalyptic number.

1043959374864 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1043959374864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1937490046272).

1043959374864 is an abundant number, since it is smaller than the sum of its proper divisors (2831020717680).

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

1043959374864 is a wasteful number, since it uses less digits than its factorization.

1043959374864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1202 (or 1151 counting only the distinct ones).

The product of its (nonzero) digits is 78382080, while the sum is 63.

The spelling of 1043959374864 in words is "one trillion, forty-three billion, nine hundred fifty-nine million, three hundred seventy-four thousand, eight hundred sixty-four".