2125464663450 has 48 divisors (see below), whose sum is σ = 5293024456896. Its totient is φ = 564438739200.

The previous prime is 2125464663449. The next prime is 2125464663451. The reversal of 2125464663450 is 543664645212.

It is an interprime number because it is at equal distance from previous prime (2125464663449) and next prime (2125464663451).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2125464663450.

It is not an unprimeable number, because it can be changed into a prime (2125464663451) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29361702 + ... + 29434001.

It is an arithmetic number, because the mean of its divisors is an integer number (110271342852).

Almost surely, 2^{2125464663450} is an apocalyptic number.

2125464663450 is an abundant number, since it is smaller than the sum of its proper divisors (3167559793446).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2125464663450 is a wasteful number, since it uses less digits than its factorization.

2125464663450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58795959 (or 58795954 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 48.

The spelling of 2125464663450 in words is "two trillion, one hundred twenty-five billion, four hundred sixty-four million, six hundred sixty-three thousand, four hundred fifty".