1494342955697 has 4 divisors (see below), whose sum is σ = 1494346897956. Its totient is φ = 1494339013440.

The previous prime is 1494342955691. The next prime is 1494342955793. The reversal of 1494342955697 is 7965592434941.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 311815027216 + 1182527928481 = 558404^2 + 1087441^2 .

It is a cyclic number.

It is not a de Polignac number, because 1494342955697 - 2³⁰ = 1493269213873 is a prime.

It is a super-2 number, since 2×1494342955697² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1494342955691) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1333868 + ... + 2183549.

It is an arithmetic number, because the mean of its divisors is an integer number (373586724489).

Almost surely, 2^{1494342955697} is an apocalyptic number.

It is an amenable number.

1494342955697 is a deficient number, since it is larger than the sum of its proper divisors (3942259).

1494342955697 is an equidigital number, since it uses as much as digits as its factorization.

1494342955697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3942258.

The product of its digits is 293932800, while the sum is 68.

The spelling of 1494342955697 in words is "one trillion, four hundred ninety-four billion, three hundred forty-two million, nine hundred fifty-five thousand, six hundred ninety-seven".