2780275741925 has 48 divisors (see below), whose sum is σ = 3774855727104. Its totient is φ = 2014551000000.

The previous prime is 2780275741921. The next prime is 2780275741949. The reversal of 2780275741925 is 5291475720872.

It is not a de Polignac number, because 2780275741925 - 2² = 2780275741921 is a prime.

It is a super-2 number, since 2×2780275741925² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2780275741921) 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, 240689900 + ... + 240701450.

It is an arithmetic number, because the mean of its divisors is an integer number (78642827648).

Almost surely, 2^{2780275741925} is an apocalyptic number.

2780275741925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2780275741925 is a deficient number, since it is larger than the sum of its proper divisors (994579985179).

2780275741925 is a wasteful number, since it uses less digits than its factorization.

2780275741925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14730 (or 14725 counting only the distinct ones).

The product of its (nonzero) digits is 19756800, while the sum is 59.

The spelling of 2780275741925 in words is "two trillion, seven hundred eighty billion, two hundred seventy-five million, seven hundred forty-one thousand, nine hundred twenty-five".