3477148477657 has 2 divisors, whose sum is σ = 3477148477658. Its totient is φ = 3477148477656.

The previous prime is 3477148477633. The next prime is 3477148477661. The reversal of 3477148477657 is 7567748417743.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2780542910016 + 696605567641 = 1667496^2 + 834629^2 .

It is an emirp because it is prime and its reverse (7567748417743) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3477148477657 is a prime.

It is not a weakly prime, because it can be changed into another prime (3477148477687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1738574238828 + 1738574238829.

It is an arithmetic number, because the mean of its divisors is an integer number (1738574238829).

Almost surely, 2^{3477148477657} is an apocalyptic number.

It is an amenable number.

3477148477657 is a deficient number, since it is larger than the sum of its proper divisors (1).

3477148477657 is an equidigital number, since it uses as much as digits as its factorization.

3477148477657 is an evil number, because the sum of its binary digits is even.

The product of its digits is 774466560, while the sum is 70.

The spelling of 3477148477657 in words is "three trillion, four hundred seventy-seven billion, one hundred forty-eight million, four hundred seventy-seven thousand, six hundred fifty-seven".