1630093387 has 24 divisors (see below), whose sum is σ = 1813860864. Its totient is φ = 1463664384.

The previous prime is 1630093351. The next prime is 1630093441. The reversal of 1630093387 is 7833900361.

It is not a de Polignac number, because 1630093387 - 2⁷ = 1630093259 is a prime.

It is a super-2 number, since 2×1630093387² = 5314408900682263538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1630093307) 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 23 ways as a sum of consecutive naturals, for example, 1136823 + ... + 1138255.

It is an arithmetic number, because the mean of its divisors is an integer number (75577536).

Almost surely, 2^1630093387 is an apocalyptic number.

1630093387 is a deficient number, since it is larger than the sum of its proper divisors (183767477).

1630093387 is a wasteful number, since it uses less digits than its factorization.

1630093387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1639 (or 1626 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 40.

The square root of 1630093387 is about 40374.4150050499. The cubic root of 1630093387 is about 1176.8943968360.

The spelling of 1630093387 in words is "one billion, six hundred thirty million, ninety-three thousand, three hundred eighty-seven".