1051969874986 has 4 divisors (see below), whose sum is σ = 1577954812482. Its totient is φ = 525984937492.

The previous prime is 1051969874981. The next prime is 1051969874987. The reversal of 1051969874986 is 6894789691501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 964039241025 + 87930633961 = 981855^2 + 296531^2 .

It is a super-2 number, since 2×1051969874986² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1051969874981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262992468745 + ... + 262992468748.

Almost surely, 2^{1051969874986} is an apocalyptic number.

1051969874986 is a deficient number, since it is larger than the sum of its proper divisors (525984937496).

1051969874986 is an equidigital number, since it uses as much as digits as its factorization.

1051969874986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525984937495.

The product of its (nonzero) digits is 235146240, while the sum is 73.

The spelling of 1051969874986 in words is "one trillion, fifty-one billion, nine hundred sixty-nine million, eight hundred seventy-four thousand, nine hundred eighty-six".