746954303459681 has 2 divisors, whose sum is σ = 746954303459682. Its totient is φ = 746954303459680.

The previous prime is 746954303459641. The next prime is 746954303459687. The reversal of 746954303459681 is 186954303459647.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 641248454077456 + 105705849382225 = 25322884^2 + 10281335^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-746954303459681 is a prime.

It is a super-2 number, since 2×746954303459681² (a number of 31 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 746954303459599 and 746954303459608.

It is not a weakly prime, because it can be changed into another prime (746954303459687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 373477151729840 + 373477151729841.

It is an arithmetic number, because the mean of its divisors is an integer number (373477151729841).

Almost surely, 2^{746954303459681} is an apocalyptic number.

It is an amenable number.

746954303459681 is a deficient number, since it is larger than the sum of its proper divisors (1).

746954303459681 is an equidigital number, since it uses as much as digits as its factorization.

746954303459681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2351462400, while the sum is 74.

The spelling of 746954303459681 in words is "seven hundred forty-six trillion, nine hundred fifty-four billion, three hundred three million, four hundred fifty-nine thousand, six hundred eighty-one".