2613395988 has 216 divisors, whose sum is σ = 8190148512. Its totient is φ = 726014016.

The previous prime is 2613395933. The next prime is 2613396001. The reversal of 2613395988 is 8895933162.

2613395988 is a `hidden beast` number, since 2 + 6 + 13 + 39 + 598 + 8 = 666.

It is a super-2 number, since 2×2613395988² = 13659677180188992288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1761495 + ... + 1762977.

Almost surely, 2^2613395988 is an apocalyptic number.

2613395988 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2613395988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4095074256).

2613395988 is an abundant number, since it is smaller than the sum of its proper divisors (5576752524).

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

2613395988 is a wasteful number, since it uses less digits than its factorization.

2613395988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1553 (or 1532 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 54.

The square root of 2613395988 is about 51121.3848403973. The cubic root of 2613395988 is about 1377.4264132855.

The spelling of 2613395988 in words is "two billion, six hundred thirteen million, three hundred ninety-five thousand, nine hundred eighty-eight".