1494292157663 has 4 divisors (see below), whose sum is σ = 1501877397240. Its totient is φ = 1486706918088.

The previous prime is 1494292157549. The next prime is 1494292157669. The reversal of 1494292157663 is 3667512924941.

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

It is a cyclic number.

It is not a de Polignac number, because 1494292157663 - 2²² = 1494287963359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1494292157669) 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, 3792619493 + ... + 3792619886.

It is an arithmetic number, because the mean of its divisors is an integer number (375469349310).

Almost surely, 2^{1494292157663} is an apocalyptic number.

1494292157663 is a deficient number, since it is larger than the sum of its proper divisors (7585239577).

1494292157663 is an equidigital number, since it uses as much as digits as its factorization.

1494292157663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7585239576.

The product of its digits is 19595520, while the sum is 59.

The spelling of 1494292157663 in words is "one trillion, four hundred ninety-four billion, two hundred ninety-two million, one hundred fifty-seven thousand, six hundred sixty-three".