1475506913 has 4 divisors (see below), whose sum is σ = 1476216000. Its totient is φ = 1474797828.

The previous prime is 1475506871. The next prime is 1475506933. The reversal of 1475506913 is 3196055741.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3196055741 = 16001 ⋅199741.

It is a cyclic number.

It is not a de Polignac number, because 1475506913 - 2⁶ = 1475506849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1475506933) 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, 351413 + ... + 355586.

It is an arithmetic number, because the mean of its divisors is an integer number (369054000).

Almost surely, 2^1475506913 is an apocalyptic number.

It is an amenable number.

1475506913 is a deficient number, since it is larger than the sum of its proper divisors (709087).

1475506913 is an equidigital number, since it uses as much as digits as its factorization.

1475506913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709086.

The product of its (nonzero) digits is 113400, while the sum is 41.

The square root of 1475506913 is about 38412.3276175761. The cubic root of 1475506913 is about 1138.4494445182.

The spelling of 1475506913 in words is "one billion, four hundred seventy-five million, five hundred six thousand, nine hundred thirteen".