1012837532989 has 8 divisors (see below), whose sum is σ = 1015044390360.
Its totient is φ = 1010632773696.
The previous prime is 1012837532957. The next prime is 1012837532999. The reversal of 1012837532989 is 9892357382101.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 498354107364 + 514483425625 = 705942^2 + 717275^2
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 1012837532989 - 25 = 1012837532957 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1012837532909) 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, 443967 + ... + 1490899.
It is an arithmetic number, because the mean of its divisors is an integer number (126880548795).
Almost surely, 21012837532989 is an apocalyptic number.
It is an amenable number.
1012837532989 is a deficient number, since it is larger than the sum of its proper divisors (2206857371).
1012837532989 is a wasteful number, since it uses less digits than its factorization.
1012837532989 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1049039.
The product of its (nonzero) digits is 6531840, while the sum is 58.
The spelling of 1012837532989 in words is "one trillion, twelve billion, eight hundred thirty-seven million, five hundred thirty-two thousand, nine hundred eighty-nine".