746590940981 has 2 divisors, whose sum is σ = 746590940982. Its totient is φ = 746590940980.

The previous prime is 746590940959. The next prime is 746590940983. The reversal of 746590940981 is 189049095647.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 508804023025 + 237786917956 = 713305^2 + 487634^2 .

It is a cyclic number.

It is not a de Polignac number, because 746590940981 - 2¹⁸ = 746590678837 is a prime.

It is a super-2 number, since 2×746590940981² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

Together with 746590940983, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (746590940983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 373295470490 + 373295470491.

It is an arithmetic number, because the mean of its divisors is an integer number (373295470491).

Almost surely, 2^746590940981 is an apocalyptic number.

It is an amenable number.

746590940981 is a deficient number, since it is larger than the sum of its proper divisors (1).

746590940981 is an equidigital number, since it uses as much as digits as its factorization.

746590940981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19595520, while the sum is 62.

The spelling of 746590940981 in words is "seven hundred forty-six billion, five hundred ninety million, nine hundred forty thousand, nine hundred eighty-one".