746123321617 has 2 divisors, whose sum is σ = 746123321618. Its totient is φ = 746123321616.

The previous prime is 746123321611. The next prime is 746123321653. The reversal of 746123321617 is 716123321647.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 478554034176 + 267569287441 = 691776^2 + 517271^2 .

It is a cyclic number.

It is not a de Polignac number, because 746123321617 - 2¹⁵ = 746123288849 is a prime.

It is a super-2 number, since 2×746123321617² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (746123321611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 373061660808 + 373061660809.

It is an arithmetic number, because the mean of its divisors is an integer number (373061660809).

Almost surely, 2^746123321617 is an apocalyptic number.

It is an amenable number.

746123321617 is a deficient number, since it is larger than the sum of its proper divisors (1).

746123321617 is an equidigital number, since it uses as much as digits as its factorization.

746123321617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 254016, while the sum is 43.

The spelling of 746123321617 in words is "seven hundred forty-six billion, one hundred twenty-three million, three hundred twenty-one thousand, six hundred seventeen".