1415144403997 has 2 divisors, whose sum is σ = 1415144403998. Its totient is φ = 1415144403996.

The previous prime is 1415144403991. The next prime is 1415144404067. The reversal of 1415144403997 is 7993044415141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1001012256036 + 414132147961 = 1000506^2 + 643531^2 .

It is a cyclic number.

It is not a de Polignac number, because 1415144403997 - 2²⁷ = 1415010186269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1415144403991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 707572201998 + 707572201999.

It is an arithmetic number, because the mean of its divisors is an integer number (707572201999).

Almost surely, 2^{1415144403997} is an apocalyptic number.

It is an amenable number.

1415144403997 is a deficient number, since it is larger than the sum of its proper divisors (1).

1415144403997 is an equidigital number, since it uses as much as digits as its factorization.

1415144403997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2177280, while the sum is 52.

The spelling of 1415144403997 in words is "one trillion, four hundred fifteen billion, one hundred forty-four million, four hundred three thousand, nine hundred ninety-seven".