2649951246320 has 120 divisors (see below), whose sum is σ = 7168713119424. Its totient is φ = 908342174208.

The previous prime is 2649951246281. The next prime is 2649951246347. The reversal of 2649951246320 is 236421599462.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17159369 + ... + 17313111.

Almost surely, 2^{2649951246320} is an apocalyptic number.

2649951246320 is a gapful number since it is divisible by the number (20) 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 2649951246320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3584356559712).

2649951246320 is an abundant number, since it is smaller than the sum of its proper divisors (4518761873104).

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

2649951246320 is a wasteful number, since it uses less digits than its factorization.

2649951246320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158167 (or 158154 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 53.

The spelling of 2649951246320 in words is "two trillion, six hundred forty-nine billion, nine hundred fifty-one million, two hundred forty-six thousand, three hundred twenty".