2513751513890 has 8 divisors (see below), whose sum is σ = 4524752725020. Its totient is φ = 1005500605552.

The previous prime is 2513751513881. The next prime is 2513751513901. The reversal of 2513751513890 is 983151573152.

It can be written as a sum of positive squares in 2 ways, for example, as 2418140071369 + 95611442521 = 1555037^2 + 309211^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125687575685 + ... + 125687575704.

Almost surely, 2^{2513751513890} is an apocalyptic number.

2513751513890 is a deficient number, since it is larger than the sum of its proper divisors (2011001211130).

2513751513890 is a wasteful number, since it uses less digits than its factorization.

2513751513890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251375151396.

The product of its (nonzero) digits is 1134000, while the sum is 50.

The spelling of 2513751513890 in words is "two trillion, five hundred thirteen billion, seven hundred fifty-one million, five hundred thirteen thousand, eight hundred ninety".