1027912563813 has 4 divisors (see below), whose sum is σ = 1370550085088. Its totient is φ = 685275042540.

The previous prime is 1027912563803. The next prime is 1027912563829. The reversal of 1027912563813 is 3183652197201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-1027912563813 is a prime.

It is a super-2 number, since 2×1027912563813² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1027912563803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171318760633 + ... + 171318760638.

It is an arithmetic number, because the mean of its divisors is an integer number (342637521272).

Almost surely, 2^{1027912563813} is an apocalyptic number.

It is an amenable number.

1027912563813 is a deficient number, since it is larger than the sum of its proper divisors (342637521275).

1027912563813 is an equidigital number, since it uses as much as digits as its factorization.

1027912563813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342637521274.

The product of its (nonzero) digits is 544320, while the sum is 48.

The spelling of 1027912563813 in words is "one trillion, twenty-seven billion, nine hundred twelve million, five hundred sixty-three thousand, eight hundred thirteen".