746204057021 has 2 divisors, whose sum is σ = 746204057022. Its totient is φ = 746204057020.

The previous prime is 746204056967. The next prime is 746204057033. The reversal of 746204057021 is 120750402647.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 468068064025 + 278135992996 = 684155^2 + 527386^2 .

It is a cyclic number.

It is not a de Polignac number, because 746204057021 - 2⁶ = 746204056957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (746204054021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 373102028510 + 373102028511.

It is an arithmetic number, because the mean of its divisors is an integer number (373102028511).

Almost surely, 2^746204057021 is an apocalyptic number.

It is an amenable number.

746204057021 is a deficient number, since it is larger than the sum of its proper divisors (1).

746204057021 is an equidigital number, since it uses as much as digits as its factorization.

746204057021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 94080, while the sum is 38.

Adding to 746204057021 its reverse (120750402647), we get a palindrome (866954459668).

The spelling of 746204057021 in words is "seven hundred forty-six billion, two hundred four million, fifty-seven thousand, twenty-one".