2351545042421 has 16 divisors (see below), whose sum is σ = 2479702837248. Its totient is φ = 2226681667200.

The previous prime is 2351545042403. The next prime is 2351545042463. The reversal of 2351545042421 is 1242405451532.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2351545042421 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 (2351545042471) 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, 5356001 + ... + 5778393.

It is an arithmetic number, because the mean of its divisors is an integer number (154981427328).

Almost surely, 2^{2351545042421} is an apocalyptic number.

It is an amenable number.

2351545042421 is a deficient number, since it is larger than the sum of its proper divisors (128157794827).

2351545042421 is a wasteful number, since it uses less digits than its factorization.

2351545042421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426292.

The product of its (nonzero) digits is 192000, while the sum is 38.

The spelling of 2351545042421 in words is "two trillion, three hundred fifty-one billion, five hundred forty-five million, forty-two thousand, four hundred twenty-one".