2049517517550 has 24 divisors (see below), whose sum is σ = 5082803443896. Its totient is φ = 546538004640.

The previous prime is 2049517517527. The next prime is 2049517517587. The reversal of 2049517517550 is 557157159402.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2049517517493 and 2049517517502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6831724909 + ... + 6831725208.

It is an arithmetic number, because the mean of its divisors is an integer number (211783476829).

Almost surely, 2^{2049517517550} is an apocalyptic number.

2049517517550 is an abundant number, since it is smaller than the sum of its proper divisors (3033285926346).

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

2049517517550 is a wasteful number, since it uses less digits than its factorization.

2049517517550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13663450132 (or 13663450127 counting only the distinct ones).

The product of its (nonzero) digits is 2205000, while the sum is 51.

The spelling of 2049517517550 in words is "two trillion, forty-nine billion, five hundred seventeen million, five hundred seventeen thousand, five hundred fifty".