2715957149649 has 8 divisors (see below), whose sum is σ = 3778722990912. Its totient is φ = 1731914704080.

The previous prime is 2715957149627. The next prime is 2715957149657. The reversal of 2715957149649 is 9469417595172.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2715957149649 - 2⁸ = 2715957149393 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (69), and also a Moran number because the ratio is a prime number: 39361697821 = 2715957149649 / (2 + 7 + 1 + 5 + 9 + 5 + 7 + 1 + 4 + 9 + 6 + 4 + 9).

It is not an unprimeable number, because it can be changed into a prime (2715957149699) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19680848842 + ... + 19680848979.

It is an arithmetic number, because the mean of its divisors is an integer number (472340373864).

Almost surely, 2^{2715957149649} is an apocalyptic number.

It is an amenable number.

2715957149649 is a deficient number, since it is larger than the sum of its proper divisors (1062765841263).

2715957149649 is a wasteful number, since it uses less digits than its factorization.

2715957149649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39361697847.

The product of its digits is 171460800, while the sum is 69.

The spelling of 2715957149649 in words is "two trillion, seven hundred fifteen billion, nine hundred fifty-seven million, one hundred forty-nine thousand, six hundred forty-nine".