2516693541 has 8 divisors (see below), whose sum is σ = 3357336864. Its totient is φ = 1676922960.

The previous prime is 2516693539. The next prime is 2516693561. The reversal of 2516693541 is 1453966152.

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

It is not a de Polignac number, because 2516693541 - 2¹ = 2516693539 is a prime.

It is a super-2 number, since 2×2516693541² = 12667492758622237362, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 2516693493 and 2516693502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2516693521) 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, 211426 + ... + 223011.

It is an arithmetic number, because the mean of its divisors is an integer number (419667108).

Almost surely, 2^2516693541 is an apocalyptic number.

It is an amenable number.

2516693541 is a deficient number, since it is larger than the sum of its proper divisors (840643323).

2516693541 is a wasteful number, since it uses less digits than its factorization.

2516693541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436371.

The product of its digits is 194400, while the sum is 42.

The square root of 2516693541 is about 50166.6576622362. The cubic root of 2516693541 is about 1360.2229920179. Note that the first 3 decimals are identical.

The spelling of 2516693541 in words is "two billion, five hundred sixteen million, six hundred ninety-three thousand, five hundred forty-one".