1630020043051 has 4 divisors (see below), whose sum is σ = 1630022650000. Its totient is φ = 1630017436104.

The previous prime is 1630020043049. The next prime is 1630020043079. The reversal of 1630020043051 is 1503400200361.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1630020043051 - 2¹ = 1630020043049 is a prime.

It is a super-3 number, since 3×1630020043051³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1630020043081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 257650 + ... + 1823848.

It is an arithmetic number, because the mean of its divisors is an integer number (407505662500).

Almost surely, 2^{1630020043051} is an apocalyptic number.

1630020043051 is a deficient number, since it is larger than the sum of its proper divisors (2606949).

1630020043051 is a wasteful number, since it uses less digits than its factorization.

1630020043051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2606948.

The product of its (nonzero) digits is 2160, while the sum is 25.

The spelling of 1630020043051 in words is "one trillion, six hundred thirty billion, twenty million, forty-three thousand, fifty-one".