2631325746 has 64 divisors (see below), whose sum is σ = 6241314816. Its totient is φ = 723945600.

The previous prime is 2631325729. The next prime is 2631325769. The reversal of 2631325746 is 6475231362.

2631325746 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 117966 + ... + 138486.

It is an arithmetic number, because the mean of its divisors is an integer number (97520544).

Almost surely, 2^2631325746 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2631325746, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3120657408).

2631325746 is an abundant number, since it is smaller than the sum of its proper divisors (3609989070).

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

2631325746 is a wasteful number, since it uses less digits than its factorization.

2631325746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20647.

The product of its digits is 181440, while the sum is 39.

The square root of 2631325746 is about 51296.4496432258. The cubic root of 2631325746 is about 1380.5692788859.

The spelling of 2631325746 in words is "two billion, six hundred thirty-one million, three hundred twenty-five thousand, seven hundred forty-six".