3487550111623 has 4 divisors (see below), whose sum is σ = 3505253411880. Its totient is φ = 3469846811368.

The previous prime is 3487550111611. The next prime is 3487550111651. The reversal of 3487550111623 is 3261110557843.

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 3487550111623 - 2¹³ = 3487550103431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3487550112623) 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, 8851649833 + ... + 8851650226.

It is an arithmetic number, because the mean of its divisors is an integer number (876313352970).

Almost surely, 2^{3487550111623} is an apocalyptic number.

3487550111623 is a deficient number, since it is larger than the sum of its proper divisors (17703300257).

3487550111623 is a wasteful number, since it uses less digits than its factorization.

3487550111623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17703300256.

The product of its (nonzero) digits is 604800, while the sum is 46.

The spelling of 3487550111623 in words is "three trillion, four hundred eighty-seven billion, five hundred fifty million, one hundred eleven thousand, six hundred twenty-three".