1641374753 has 2 divisors, whose sum is σ = 1641374754. Its totient is φ = 1641374752.

The previous prime is 1641374747. The next prime is 1641374807. The reversal of 1641374753 is 3574731461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1278205504 + 363169249 = 35752^2 + 19057^2 .

It is a cyclic number.

It is not a de Polignac number, because 1641374753 - 2²² = 1637180449 is a prime.

It is a super-2 number, since 2×1641374753² = 5388222159571622018, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1641374753.

It is not a weakly prime, because it can be changed into another prime (1641374653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 820687376 + 820687377.

It is an arithmetic number, because the mean of its divisors is an integer number (820687377).

Almost surely, 2^1641374753 is an apocalyptic number.

It is an amenable number.

1641374753 is a deficient number, since it is larger than the sum of its proper divisors (1).

1641374753 is an equidigital number, since it uses as much as digits as its factorization.

1641374753 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 211680, while the sum is 41.

The square root of 1641374753 is about 40513.8834598709. The cubic root of 1641374753 is about 1179.6031302051.

The spelling of 1641374753 in words is "one billion, six hundred forty-one million, three hundred seventy-four thousand, seven hundred fifty-three".