1026661413 has 4 divisors (see below), whose sum is σ = 1368881888. Its totient is φ = 684440940.

The previous prime is 1026661411. The next prime is 1026661487. The reversal of 1026661413 is 3141666201.

1026661413 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1026661413 - 2¹ = 1026661411 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 (1026661411) 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, 171110233 + ... + 171110238.

It is an arithmetic number, because the mean of its divisors is an integer number (342220472).

Almost surely, 2^1026661413 is an apocalyptic number.

It is an amenable number.

1026661413 is a deficient number, since it is larger than the sum of its proper divisors (342220475).

1026661413 is an equidigital number, since it uses as much as digits as its factorization.

1026661413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342220474.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 1026661413 is about 32041.5575932257. The cubic root of 1026661413 is about 1008.8093059172.

The spelling of 1026661413 in words is "one billion, twenty-six million, six hundred sixty-one thousand, four hundred thirteen".