3670505328257 has 2 divisors, whose sum is σ = 3670505328258. Its totient is φ = 3670505328256.

The previous prime is 3670505328251. The next prime is 3670505328313. The reversal of 3670505328257 is 7528235050763.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3663698418241 + 6806910016 = 1914079^2 + 82504^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3670505328257 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3670505328199 and 3670505328208.

It is not a weakly prime, because it can be changed into another prime (3670505328251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1835252664128 + 1835252664129.

It is an arithmetic number, because the mean of its divisors is an integer number (1835252664129).

Almost surely, 2^{3670505328257} is an apocalyptic number.

It is an amenable number.

3670505328257 is a deficient number, since it is larger than the sum of its proper divisors (1).

3670505328257 is an equidigital number, since it uses as much as digits as its factorization.

3670505328257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10584000, while the sum is 53.

The spelling of 3670505328257 in words is "three trillion, six hundred seventy billion, five hundred five million, three hundred twenty-eight thousand, two hundred fifty-seven".