2546463654 has 72 divisors (see below), whose sum is σ = 6591675168. Its totient is φ = 707888160.

The previous prime is 2546463649. The next prime is 2546463679. The reversal of 2546463654 is 4563646452.

It is a happy number.

2546463654 is a `hidden beast` number, since 2 + 5 + 4 + 6 + 4 + 636 + 5 + 4 = 666.

It is a super-2 number, since 2×2546463654² = 12968954282286063432, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 6382 + ... + 71649.

It is an arithmetic number, because the mean of its divisors is an integer number (91551044).

Almost surely, 2^2546463654 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2546463654, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3295837584).

2546463654 is an abundant number, since it is smaller than the sum of its proper divisors (4045211514).

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

2546463654 is a wasteful number, since it uses less digits than its factorization.

2546463654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78090 (or 78080 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 45.

The square root of 2546463654 is about 50462.4975006192. The cubic root of 2546463654 is about 1365.5653673769.

The spelling of 2546463654 in words is "two billion, five hundred forty-six million, four hundred sixty-three thousand, six hundred fifty-four".