2661752952494 has 4 divisors (see below), whose sum is σ = 3992629428744. Its totient is φ = 1330876476246.

The previous prime is 2661752952473. The next prime is 2661752952517. The reversal of 2661752952494 is 4942592571662.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×2661752952494² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665438238122 + ... + 665438238125.

It is an arithmetic number, because the mean of its divisors is an integer number (998157357186).

Almost surely, 2^{2661752952494} is an apocalyptic number.

2661752952494 is a deficient number, since it is larger than the sum of its proper divisors (1330876476250).

2661752952494 is a wasteful number, since it uses less digits than its factorization.

2661752952494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1330876476249.

The product of its digits is 65318400, while the sum is 62.

The spelling of 2661752952494 in words is "two trillion, six hundred sixty-one billion, seven hundred fifty-two million, nine hundred fifty-two thousand, four hundred ninety-four".