1493762953 has 4 divisors (see below), whose sum is σ = 1581631380. Its totient is φ = 1405894528.

The previous prime is 1493762929. The next prime is 1493763013. The reversal of 1493762953 is 3592673941.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3592673941 = 1039 ⋅3457819.

It can be written as a sum of positive squares in 2 ways, for example, as 1316020729 + 177742224 = 36277^2 + 13332^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1493762953 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1493762897 and 1493762906.

It is not an unprimeable number, because it can be changed into a prime (1493762353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43934188 + ... + 43934221.

It is an arithmetic number, because the mean of its divisors is an integer number (395407845).

Almost surely, 2^1493762953 is an apocalyptic number.

It is an amenable number.

1493762953 is a deficient number, since it is larger than the sum of its proper divisors (87868427).

1493762953 is an equidigital number, since it uses as much as digits as its factorization.

1493762953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87868426.

The product of its digits is 1224720, while the sum is 49.

The square root of 1493762953 is about 38649.2296559712. The cubic root of 1493762953 is about 1143.1254525387.

The spelling of 1493762953 in words is "one billion, four hundred ninety-three million, seven hundred sixty-two thousand, nine hundred fifty-three".