1029961881019 has 8 divisors (see below), whose sum is σ = 1036189080080. Its totient is φ = 1023747379200.

The previous prime is 1029961880993. The next prime is 1029961881023. The reversal of 1029961881019 is 9101881699201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1029961881019 - 2¹³ = 1029961872827 is a prime.

It is a super-2 number, since 2×1029961881019² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1029961881029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3011562 + ... + 3336079.

It is an arithmetic number, because the mean of its divisors is an integer number (129523635010).

Almost surely, 2^{1029961881019} is an apocalyptic number.

1029961881019 is a deficient number, since it is larger than the sum of its proper divisors (6227199061).

1029961881019 is an equidigital number, since it uses as much as digits as its factorization.

1029961881019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6348621.

The product of its (nonzero) digits is 559872, while the sum is 55.

The spelling of 1029961881019 in words is "one trillion, twenty-nine billion, nine hundred sixty-one million, eight hundred eighty-one thousand, nineteen".