2130234402645 has 48 divisors (see below), whose sum is σ = 3847138094592. Its totient is φ = 1089200269440.

The previous prime is 2130234402643. The next prime is 2130234402671. The reversal of 2130234402645 is 5462044320312.

2130234402645 is a `hidden beast` number, since 2 + 1 + 3 + 0 + 2 + 3 + 4 + 4 + 0 + 2 + 645 = 666.

It is not a de Polignac number, because 2130234402645 - 2¹ = 2130234402643 is a prime.

It is a super-2 number, since 2×2130234402645² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2130234402643) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6986482 + ... + 7285011.

It is an arithmetic number, because the mean of its divisors is an integer number (80148710304).

Almost surely, 2^{2130234402645} is an apocalyptic number.

It is an amenable number.

2130234402645 is a deficient number, since it is larger than the sum of its proper divisors (1716903691947).

2130234402645 is a wasteful number, since it uses less digits than its factorization.

2130234402645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14271642 (or 14271639 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

Adding to 2130234402645 its reverse (5462044320312), we get a palindrome (7592278722957).

The spelling of 2130234402645 in words is "two trillion, one hundred thirty billion, two hundred thirty-four million, four hundred two thousand, six hundred forty-five".