2979554956 has 72 divisors (see below), whose sum is σ = 6321079296. Its totient is φ = 1223943840.

The previous prime is 2979554947. The next prime is 2979554957. The reversal of 2979554956 is 6594559792.

It is a junction number, because it is equal to n+sod(n) for n = 2979554894 and 2979554903.

It is not an unprimeable number, because it can be changed into a prime (2979554957) 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, 647841 + ... + 652423.

It is an arithmetic number, because the mean of its divisors is an integer number (87792768).

Almost surely, 2^2979554956 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2979554956, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3160539648).

2979554956 is an abundant number, since it is smaller than the sum of its proper divisors (3341524340).

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

2979554956 is a wasteful number, since it uses less digits than its factorization.

2979554956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4739 (or 4730 counting only the distinct ones).

The product of its digits is 30618000, while the sum is 61.

The square root of 2979554956 is about 54585.2998159761. The cubic root of 2979554956 is about 1438.9657819580.

The spelling of 2979554956 in words is "two billion, nine hundred seventy-nine million, five hundred fifty-four thousand, nine hundred fifty-six".