1493907377 has 4 divisors (see below), whose sum is σ = 1500431220. Its totient is φ = 1487383536.

The previous prime is 1493907353. The next prime is 1493907383. The reversal of 1493907377 is 7737093941.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7737093941 = 17 ⋅455123173.

It can be written as a sum of positive squares in 2 ways, for example, as 694375201 + 799532176 = 26351^2 + 28276^2 .

It is a cyclic number.

It is not a de Polignac number, because 1493907377 - 2⁶ = 1493907313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1493907397) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3261578 + ... + 3262035.

It is an arithmetic number, because the mean of its divisors is an integer number (375107805).

Almost surely, 2^1493907377 is an apocalyptic number.

It is an amenable number.

1493907377 is a deficient number, since it is larger than the sum of its proper divisors (6523843).

1493907377 is an equidigital number, since it uses as much as digits as its factorization.

1493907377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6523842.

The product of its (nonzero) digits is 1000188, while the sum is 50.

The square root of 1493907377 is about 38651.0980051020. The cubic root of 1493907377 is about 1143.1622922594.

The spelling of 1493907377 in words is "one billion, four hundred ninety-three million, nine hundred seven thousand, three hundred seventy-seven".