2620739673744 has 20 divisors (see below), whose sum is σ = 6770244157296. Its totient is φ = 873579891232.

The previous prime is 2620739673691. The next prime is 2620739673749. The reversal of 2620739673744 is 4473769370262.

It is not an unprimeable number, because it can be changed into a prime (2620739673749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27299371554 + ... + 27299371649.

Almost surely, 2^{2620739673744} is an apocalyptic number.

2620739673744 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2620739673744 is an abundant number, since it is smaller than the sum of its proper divisors (4149504483552).

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

2620739673744 is a wasteful number, since it uses less digits than its factorization.

2620739673744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54598743214 (or 54598743208 counting only the distinct ones).

The product of its (nonzero) digits is 64012032, while the sum is 60.

The spelling of 2620739673744 in words is "two trillion, six hundred twenty billion, seven hundred thirty-nine million, six hundred seventy-three thousand, seven hundred forty-four".