1071272788493 has 4 divisors (see below), whose sum is σ = 1071867611388. Its totient is φ = 1070677965600.

The previous prime is 1071272788483. The next prime is 1071272788501. The reversal of 1071272788493 is 3948872721701.

It is a happy number.

1071272788493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 276325794889 + 794946993604 = 525667^2 + 891598^2 .

It is a cyclic number.

It is not a de Polignac number, because 1071272788493 - 2³⁴ = 1054092919309 is a prime.

It is a super-2 number, since 2×1071272788493² (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 (1071272788463) 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, 297408746 + ... + 297412347.

It is an arithmetic number, because the mean of its divisors is an integer number (267966902847).

Almost surely, 2^{1071272788493} is an apocalyptic number.

It is an amenable number.

1071272788493 is a deficient number, since it is larger than the sum of its proper divisors (594822895).

1071272788493 is an equidigital number, since it uses as much as digits as its factorization.

1071272788493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594822894.

The product of its (nonzero) digits is 9483264, while the sum is 59.

The spelling of 1071272788493 in words is "one trillion, seventy-one billion, two hundred seventy-two million, seven hundred eighty-eight thousand, four hundred ninety-three".