1630245740771 has 16 divisors (see below), whose sum is σ = 1719693044640. Its totient is φ = 1541165875200.

The previous prime is 1630245740749. The next prime is 1630245740819. The reversal of 1630245740771 is 1770475420361.

It is a cyclic number.

It is not a de Polignac number, because 1630245740771 - 2¹⁰ = 1630245739747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1630245740971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20432171 + ... + 20511803.

It is an arithmetic number, because the mean of its divisors is an integer number (107480815290).

Almost surely, 2^{1630245740771} is an apocalyptic number.

1630245740771 is a deficient number, since it is larger than the sum of its proper divisors (89447303869).

1630245740771 is a wasteful number, since it uses less digits than its factorization.

1630245740771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81926.

The product of its (nonzero) digits is 987840, while the sum is 47.

The spelling of 1630245740771 in words is "one trillion, six hundred thirty billion, two hundred forty-five million, seven hundred forty thousand, seven hundred seventy-one".