1630210345 has 16 divisors (see below), whose sum is σ = 1971889920. Its totient is φ = 1293768000.

The previous prime is 1630210289. The next prime is 1630210357. The reversal of 1630210345 is 5430120361.

It is not a de Polignac number, because 1630210345 - 2¹¹ = 1630208297 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1078140 + ... + 1079650.

It is an arithmetic number, because the mean of its divisors is an integer number (123243120).

Almost surely, 2^1630210345 is an apocalyptic number.

It is an amenable number.

1630210345 is a deficient number, since it is larger than the sum of its proper divisors (341679575).

1630210345 is a wasteful number, since it uses less digits than its factorization.

1630210345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3096.

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

The square root of 1630210345 is about 40375.8633963411. The cubic root of 1630210345 is about 1176.9225432649.

The spelling of 1630210345 in words is "one billion, six hundred thirty million, two hundred ten thousand, three hundred forty-five".