1913492506 has 16 divisors (see below), whose sum is σ = 2898232488. Its totient is φ = 947430400.

The previous prime is 1913492501. The next prime is 1913492507. The reversal of 1913492506 is 6052943191.

It can be written as a sum of positive squares in 4 ways, for example, as 260338225 + 1653154281 = 16135^2 + 40659^2 .

It is a super-2 number, since 2×1913492506² = 7322907141036320072, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1913492501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 304476 + ... + 310696.

Almost surely, 2^1913492506 is an apocalyptic number.

1913492506 is a deficient number, since it is larger than the sum of its proper divisors (984739982).

1913492506 is a wasteful number, since it uses less digits than its factorization.

1913492506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7697.

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 1913492506 is about 43743.4852978132. The cubic root of 1913492506 is about 1241.4872256904.

The spelling of 1913492506 in words is "one billion, nine hundred thirteen million, four hundred ninety-two thousand, five hundred six".