1493454677 has 8 divisors (see below), whose sum is σ = 1754548320. Its totient is φ = 1253248560.

The previous prime is 1493454661. The next prime is 1493454761. The reversal of 1493454677 is 7764543941.

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 1493454677 - 2⁴ = 1493454661 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 (1493454637) 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, 5221727 + ... + 5222012.

It is an arithmetic number, because the mean of its divisors is an integer number (219318540).

Almost surely, 2^1493454677 is an apocalyptic number.

It is an amenable number.

1493454677 is a deficient number, since it is larger than the sum of its proper divisors (261093643).

1493454677 is a wasteful number, since it uses less digits than its factorization.

1493454677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10443763.

The product of its digits is 2540160, while the sum is 50.

The square root of 1493454677 is about 38645.2413241268. The cubic root of 1493454677 is about 1143.0468094523.

The spelling of 1493454677 in words is "one billion, four hundred ninety-three million, four hundred fifty-four thousand, six hundred seventy-seven".