2609491797360 has 180 divisors, whose sum is σ = 10194326001288. Its totient is φ = 596455259904.

The previous prime is 2609491797299. The next prime is 2609491797427. The reversal of 2609491797360 is 637971949062.

2609491797360 is a `hidden beast` number, since 2 + 6 + 0 + 9 + 491 + 79 + 73 + 6 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (180).

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (63).

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, 36947314 + ... + 37017873.

Almost surely, 2^{2609491797360} is an apocalyptic number.

2609491797360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2609491797360 is an abundant number, since it is smaller than the sum of its proper divisors (7584834203928).

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

2609491797360 is a wasteful number, since it uses less digits than its factorization.

2609491797360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73965220 (or 73965204 counting only the distinct ones).

The product of its (nonzero) digits is 30862944, while the sum is 63.

The spelling of 2609491797360 in words is "two trillion, six hundred nine billion, four hundred ninety-one million, seven hundred ninety-seven thousand, three hundred sixty".