1057421814037 has 8 divisors (see below), whose sum is σ = 1057778149176. Its totient is φ = 1057065550272.

The previous prime is 1057421814019. The next prime is 1057421814041. The reversal of 1057421814037 is 7304181247501.

It can be written as a sum of positive squares in 4 ways, for example, as 16513792036 + 1040908022001 = 128506^2 + 1020249^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1057421814037 is a prime.

It is a super-2 number, since 2×1057421814037² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1057421813984 and 1057421814002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1057421817037) 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, 49687243 + ... + 49708519.

It is an arithmetic number, because the mean of its divisors is an integer number (132222268647).

Almost surely, 2^{1057421814037} is an apocalyptic number.

It is an amenable number.

1057421814037 is a deficient number, since it is larger than the sum of its proper divisors (356335139).

1057421814037 is an equidigital number, since it uses as much as digits as its factorization.

1057421814037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35687.

The product of its (nonzero) digits is 188160, while the sum is 43.

The spelling of 1057421814037 in words is "one trillion, fifty-seven billion, four hundred twenty-one million, eight hundred fourteen thousand, thirty-seven".