1796958561 has 4 divisors (see below), whose sum is σ = 2395944752. Its totient is φ = 1197972372.

The previous prime is 1796958547. The next prime is 1796958589. The reversal of 1796958561 is 1658596971.

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 1796958561 - 2⁵ = 1796958529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1796958511) 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, 299493091 + ... + 299493096.

It is an arithmetic number, because the mean of its divisors is an integer number (598986188).

Almost surely, 2^1796958561 is an apocalyptic number.

It is an amenable number.

1796958561 is a deficient number, since it is larger than the sum of its proper divisors (598986191).

1796958561 is an equidigital number, since it uses as much as digits as its factorization.

1796958561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598986190.

The product of its digits is 4082400, while the sum is 57.

The square root of 1796958561 is about 42390.5480148582. The cubic root of 1796958561 is about 1215.7548778136.

The spelling of 1796958561 in words is "one billion, seven hundred ninety-six million, nine hundred fifty-eight thousand, five hundred sixty-one".