1493033977 has 2 divisors, whose sum is σ = 1493033978. Its totient is φ = 1493033976.

The previous prime is 1493033957. The next prime is 1493034017. The reversal of 1493033977 is 7793303941.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1125199936 + 367834041 = 33544^2 + 19179^2 .

It is a cyclic number.

It is not a de Polignac number, because 1493033977 - 2²³ = 1484645369 is a prime.

It is not a weakly prime, because it can be changed into another prime (1493033957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 746516988 + 746516989.

It is an arithmetic number, because the mean of its divisors is an integer number (746516989).

Almost surely, 2^1493033977 is an apocalyptic number.

It is an amenable number.

1493033977 is a deficient number, since it is larger than the sum of its proper divisors (1).

1493033977 is an equidigital number, since it uses as much as digits as its factorization.

1493033977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 428652, while the sum is 46.

The square root of 1493033977 is about 38639.7978384981. The cubic root of 1493033977 is about 1142.9394688545.

The spelling of 1493033977 in words is "one billion, four hundred ninety-three million, thirty-three thousand, nine hundred seventy-seven".