2645125281402 has 16 divisors (see below), whose sum is σ = 5353988522400. Its totient is φ = 871085433872.

The previous prime is 2645125281401. The next prime is 2645125281439. The reversal of 2645125281402 is 2041825215462.

It is not an unprimeable number, because it can be changed into a prime (2645125281401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2655747777 + ... + 2655748772.

It is an arithmetic number, because the mean of its divisors is an integer number (334624282650).

Almost surely, 2^{2645125281402} is an apocalyptic number.

2645125281402 is an abundant number, since it is smaller than the sum of its proper divisors (2708863240998).

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

2645125281402 is a wasteful number, since it uses less digits than its factorization.

2645125281402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5311496637.

The product of its (nonzero) digits is 307200, while the sum is 42.

The spelling of 2645125281402 in words is "two trillion, six hundred forty-five billion, one hundred twenty-five million, two hundred eighty-one thousand, four hundred two".