2193047151487 has 4 divisors (see below), whose sum is σ = 2200964289496. Its totient is φ = 2185130013480.

The previous prime is 2193047151431. The next prime is 2193047151517. The reversal of 2193047151487 is 7841517403912.

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

It is a cyclic number.

It is not a de Polignac number, because 2193047151487 - 2³¹ = 2190899667839 is a prime.

It is a super-2 number, since 2×2193047151487² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2193047151587) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3958568589 + ... + 3958569142.

It is an arithmetic number, because the mean of its divisors is an integer number (550241072374).

Almost surely, 2^{2193047151487} is an apocalyptic number.

2193047151487 is a deficient number, since it is larger than the sum of its proper divisors (7917138009).

2193047151487 is an equidigital number, since it uses as much as digits as its factorization.

2193047151487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7917138008.

The product of its (nonzero) digits is 1693440, while the sum is 52.

The spelling of 2193047151487 in words is "two trillion, one hundred ninety-three billion, forty-seven million, one hundred fifty-one thousand, four hundred eighty-seven".