2545379469 has 12 divisors (see below), whose sum is σ = 3681115776. Its totient is φ = 1694862792.

The previous prime is 2545379449. The next prime is 2545379471. The reversal of 2545379469 is 9649735452.

2545379469 is a `hidden beast` number, since 2 + 545 + 3 + 7 + 94 + 6 + 9 = 666.

It is not a de Polignac number, because 2545379469 - 2¹¹ = 2545377421 is a prime.

It is a super-2 number, since 2×2545379469² = 12957913282413443922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2545379429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 163549 + ... + 178434.

It is an arithmetic number, because the mean of its divisors is an integer number (306759648).

Almost surely, 2^2545379469 is an apocalyptic number.

It is an amenable number.

2545379469 is a deficient number, since it is larger than the sum of its proper divisors (1135736307).

2545379469 is a wasteful number, since it uses less digits than its factorization.

2545379469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342816 (or 342813 counting only the distinct ones).

The product of its digits is 8164800, while the sum is 54.

The square root of 2545379469 is about 50451.7538743699. The cubic root of 2545379469 is about 1365.3715383581.

The spelling of 2545379469 in words is "two billion, five hundred forty-five million, three hundred seventy-nine thousand, four hundred sixty-nine".