1630141073 has 4 divisors (see below), whose sum is σ = 1778335728. Its totient is φ = 1481946420.

The previous prime is 1630141039. The next prime is 1630141129. The reversal of 1630141073 is 3701410361.

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.

It is a cyclic number.

It is not a de Polignac number, because 1630141073 - 2⁸ = 1630140817 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1630141013) 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, 74097311 + ... + 74097332.

It is an arithmetic number, because the mean of its divisors is an integer number (444583932).

Almost surely, 2^1630141073 is an apocalyptic number.

It is an amenable number.

1630141073 is a deficient number, since it is larger than the sum of its proper divisors (148194655).

1630141073 is a wasteful number, since it uses less digits than its factorization.

1630141073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148194654.

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 1630141073 is about 40375.0055479872. The cubic root of 1630141073 is about 1176.9058728327.

The spelling of 1630141073 in words is "one billion, six hundred thirty million, one hundred forty-one thousand, seventy-three".