1494966779 has 8 divisors (see below), whose sum is σ = 1518386688. Its totient is φ = 1471579560.

The previous prime is 1494966773. The next prime is 1494966821. The reversal of 1494966779 is 9776694941.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1494966779 - 2⁴ = 1494966763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1494966773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93854 + ... + 108620.

It is an arithmetic number, because the mean of its divisors is an integer number (189798336).

Almost surely, 2^1494966779 is an apocalyptic number.

1494966779 is a deficient number, since it is larger than the sum of its proper divisors (23419909).

1494966779 is a wasteful number, since it uses less digits than its factorization.

1494966779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16345.

The product of its digits is 20575296, while the sum is 62.

The square root of 1494966779 is about 38664.8002581159. The cubic root of 1494966779 is about 1143.4324523051.

The spelling of 1494966779 in words is "one billion, four hundred ninety-four million, nine hundred sixty-six thousand, seven hundred seventy-nine".