2649717542290 has 128 divisors (see below), whose sum is σ = 6030158400000. Its totient is φ = 832961703168.

The previous prime is 2649717542249. The next prime is 2649717542333. The reversal of 2649717542290 is 922457179462.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6444501 + ... + 6843319.

It is an arithmetic number, because the mean of its divisors is an integer number (47110612500).

Almost surely, 2^{2649717542290} is an apocalyptic number.

2649717542290 is an abundant number, since it is smaller than the sum of its proper divisors (3380440857710).

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

2649717542290 is a wasteful number, since it uses less digits than its factorization.

2649717542290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399009 (or 398995 counting only the distinct ones).

The product of its (nonzero) digits is 15240960, while the sum is 58.

The spelling of 2649717542290 in words is "two trillion, six hundred forty-nine billion, seven hundred seventeen million, five hundred forty-two thousand, two hundred ninety".