2493553651801 has 3 divisors (see below), whose sum is σ = 2493555230901. Its totient is φ = 2493552072702.

The previous prime is 2493553651789. The next prime is 2493553651829. The reversal of 2493553651801 is 1081563553942.

The square root of 2493553651801 is 1579099.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 2493553651801 - 2³⁵ = 2459193913433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2493553651301) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 789550 + ... + 2368648.

It is an arithmetic number, because the mean of its divisors is an integer number (831185076967).

Almost surely, 2^{2493553651801} is an apocalyptic number.

2493553651801 is the 1579099-th square number.

2493553651801 is the 789550-th centered octagonal number.

It is an amenable number.

2493553651801 is a deficient number, since it is larger than the sum of its proper divisors (1579100).

2493553651801 is an frugal number, since it uses more digits than its factorization.

2493553651801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3158198 (or 1579099 counting only the distinct ones).

The product of its (nonzero) digits is 3888000, while the sum is 52.

The spelling of 2493553651801 in words is "two trillion, four hundred ninety-three billion, five hundred fifty-three million, six hundred fifty-one thousand, eight hundred one".