45177506321 has 2 divisors, whose sum is σ = 45177506322. Its totient is φ = 45177506320.

The previous prime is 45177506317. The next prime is 45177506327. The reversal of 45177506321 is 12360577154.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33621256321 + 11556250000 = 183361^2 + 107500^2 .

It is a cyclic number.

It is not a de Polignac number, because 45177506321 - 2² = 45177506317 is a prime.

It is not a weakly prime, because it can be changed into another prime (45177506327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22588753160 + 22588753161.

It is an arithmetic number, because the mean of its divisors is an integer number (22588753161).

Almost surely, 2^45177506321 is an apocalyptic number.

It is an amenable number.

45177506321 is a deficient number, since it is larger than the sum of its proper divisors (1).

45177506321 is an equidigital number, since it uses as much as digits as its factorization.

45177506321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 176400, while the sum is 41.

The spelling of 45177506321 in words is "forty-five billion, one hundred seventy-seven million, five hundred six thousand, three hundred twenty-one".