1493895677 has 2 divisors, whose sum is σ = 1493895678. Its totient is φ = 1493895676.

The previous prime is 1493895649. The next prime is 1493895707. The reversal of 1493895677 is 7765983941.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 831399556 + 662496121 = 28834^2 + 25739^2 .

It is a cyclic number.

It is not a de Polignac number, because 1493895677 - 2¹⁴ = 1493879293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1493895607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 746947838 + 746947839.

It is an arithmetic number, because the mean of its divisors is an integer number (746947839).

Almost surely, 2^1493895677 is an apocalyptic number.

It is an amenable number.

1493895677 is a deficient number, since it is larger than the sum of its proper divisors (1).

1493895677 is an equidigital number, since it uses as much as digits as its factorization.

1493895677 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11430720, while the sum is 59.

The square root of 1493895677 is about 38650.9466507613. The cubic root of 1493895677 is about 1143.1593079080.

The spelling of 1493895677 in words is "one billion, four hundred ninety-three million, eight hundred ninety-five thousand, six hundred seventy-seven".