1052269661539 has 4 divisors (see below), whose sum is σ = 1052272433056. Its totient is φ = 1052266890024.

The previous prime is 1052269661537. The next prime is 1052269661549. The reversal of 1052269661539 is 9351669622501.

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

It is a cyclic number.

It is not a de Polignac number, because 1052269661539 - 2¹ = 1052269661537 is a prime.

It is a super-2 number, since 2×1052269661539² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1052269661539.

It is not an unprimeable number, because it can be changed into a prime (1052269661537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 704664 + ... + 1612789.

It is an arithmetic number, because the mean of its divisors is an integer number (263068108264).

Almost surely, 2^{1052269661539} is an apocalyptic number.

1052269661539 is a deficient number, since it is larger than the sum of its proper divisors (2771517).

1052269661539 is an equidigital number, since it uses as much as digits as its factorization.

1052269661539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2771516.

The product of its (nonzero) digits is 5248800, while the sum is 55.

The spelling of 1052269661539 in words is "one trillion, fifty-two billion, two hundred sixty-nine million, six hundred sixty-one thousand, five hundred thirty-nine".