1494161863 has 4 divisors (see below), whose sum is σ = 1507869880. Its totient is φ = 1480453848.

The previous prime is 1494161821. The next prime is 1494161891. The reversal of 1494161863 is 3681614941.

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 1494161863 - 2²⁹ = 957290951 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 (1494161063) 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, 6853845 + ... + 6854062.

It is an arithmetic number, because the mean of its divisors is an integer number (376967470).

Almost surely, 2^1494161863 is an apocalyptic number.

1494161863 is a deficient number, since it is larger than the sum of its proper divisors (13708017).

1494161863 is a wasteful number, since it uses less digits than its factorization.

1494161863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13708016.

The product of its digits is 124416, while the sum is 43.

The square root of 1494161863 is about 38654.3899576749. The cubic root of 1494161863 is about 1143.2272008532.

The spelling of 1494161863 in words is "one billion, four hundred ninety-four million, one hundred sixty-one thousand, eight hundred sixty-three".