1026064749 has 4 divisors (see below), whose sum is σ = 1368086336. Its totient is φ = 684043164.

The previous prime is 1026064717. The next prime is 1026064751. The reversal of 1026064749 is 9474606201.

It is a happy number.

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 1026064749 - 2⁵ = 1026064717 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 (1026064709) 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, 171010789 + ... + 171010794.

It is an arithmetic number, because the mean of its divisors is an integer number (342021584).

Almost surely, 2^1026064749 is an apocalyptic number.

It is an amenable number.

1026064749 is a deficient number, since it is larger than the sum of its proper divisors (342021587).

1026064749 is an equidigital number, since it uses as much as digits as its factorization.

1026064749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342021586.

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 1026064749 is about 32032.2454567269. The cubic root of 1026064749 is about 1008.6138384107.

The spelling of 1026064749 in words is "one billion, twenty-six million, sixty-four thousand, seven hundred forty-nine".