1493029777 has 12 divisors (see below), whose sum is σ = 1619781120. Its totient is φ = 1375294016.

The previous prime is 1493029763. The next prime is 1493029793. The reversal of 1493029777 is 7779203941.

It is not a de Polignac number, because 1493029777 - 2¹¹ = 1493027729 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1493029777.

It is not an unprimeable number, because it can be changed into a prime (1493029277) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41377 + ... + 68542.

It is an arithmetic number, because the mean of its divisors is an integer number (134981760).

Almost surely, 2^1493029777 is an apocalyptic number.

1493029777 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1493029777 is a deficient number, since it is larger than the sum of its proper divisors (126751343).

1493029777 is a wasteful number, since it uses less digits than its factorization.

1493029777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110000 (or 109983 counting only the distinct ones).

The product of its (nonzero) digits is 666792, while the sum is 49.

The square root of 1493029777 is about 38639.7434903494. The cubic root of 1493029777 is about 1142.9383971329.

The spelling of 1493029777 in words is "one billion, four hundred ninety-three million, twenty-nine thousand, seven hundred seventy-seven".