1415412203657 has 2 divisors, whose sum is σ = 1415412203658. Its totient is φ = 1415412203656.

The previous prime is 1415412203561. The next prime is 1415412203669. The reversal of 1415412203657 is 7563022145141.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1361879664016 + 53532539641 = 1166996^2 + 231371^2 .

It is a cyclic number.

It is not a de Polignac number, because 1415412203657 - 2²⁴ = 1415395426441 is a prime.

It is a super-2 number, since 2×1415412203657² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1415412203677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 707706101828 + 707706101829.

It is an arithmetic number, because the mean of its divisors is an integer number (707706101829).

Almost surely, 2^{1415412203657} is an apocalyptic number.

It is an amenable number.

1415412203657 is a deficient number, since it is larger than the sum of its proper divisors (1).

1415412203657 is an equidigital number, since it uses as much as digits as its factorization.

1415412203657 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 201600, while the sum is 41.

Adding to 1415412203657 its reverse (7563022145141), we get a palindrome (8978434348798).

The spelling of 1415412203657 in words is "one trillion, four hundred fifteen billion, four hundred twelve million, two hundred three thousand, six hundred fifty-seven".