2354785642487 has 16 divisors (see below), whose sum is σ = 2468057978880. Its totient is φ = 2244092493600.

The previous prime is 2354785642439. The next prime is 2354785642523. The reversal of 2354785642487 is 7842465874532.

It is a cyclic number.

It is not a de Polignac number, because 2354785642487 - 2²² = 2354781448183 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 (2354785642427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1488464 + ... + 2631557.

It is an arithmetic number, because the mean of its divisors is an integer number (154253623680).

Almost surely, 2^{2354785642487} is an apocalyptic number.

2354785642487 is a deficient number, since it is larger than the sum of its proper divisors (113272336393).

2354785642487 is a wasteful number, since it uses less digits than its factorization.

2354785642487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4120334.

The product of its digits is 361267200, while the sum is 65.

The spelling of 2354785642487 in words is "two trillion, three hundred fifty-four billion, seven hundred eighty-five million, six hundred forty-two thousand, four hundred eighty-seven".