1826731641 has 16 divisors (see below), whose sum is σ = 2785209344. Its totient is φ = 1043239824.

The previous prime is 1826731609. The next prime is 1826731667. The reversal of 1826731641 is 1461376281.

It is not a de Polignac number, because 1826731641 - 2⁵ = 1826731609 is a prime.

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 1826731641.

It is not an unprimeable number, because it can be changed into a prime (1826731601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13050 + ... + 61836.

It is an arithmetic number, because the mean of its divisors is an integer number (174075584).

Almost surely, 2^1826731641 is an apocalyptic number.

It is an amenable number.

1826731641 is a deficient number, since it is larger than the sum of its proper divisors (958477703).

1826731641 is a wasteful number, since it uses less digits than its factorization.

1826731641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50580.

The product of its digits is 48384, while the sum is 39.

The square root of 1826731641 is about 42740.2812461500. The cubic root of 1826731641 is about 1222.4325827970.

The spelling of 1826731641 in words is "one billion, eight hundred twenty-six million, seven hundred thirty-one thousand, six hundred forty-one".