42657151121399 has 4 divisors (see below), whose sum is σ = 42657214083120. Its totient is φ = 42657088159680.

The previous prime is 42657151121383. The next prime is 42657151121401. The reversal of 42657151121399 is 99312115175624.

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 42657151121399 - 2⁴ = 42657151121383 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 (42657151121369) 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, 30453419 + ... + 31823340.

It is an arithmetic number, because the mean of its divisors is an integer number (10664303520780).

Almost surely, 2^{42657151121399} is an apocalyptic number.

42657151121399 is a deficient number, since it is larger than the sum of its proper divisors (62961721).

42657151121399 is an equidigital number, since it uses as much as digits as its factorization.

42657151121399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62961720.

The product of its digits is 4082400, while the sum is 56.

The spelling of 42657151121399 in words is "forty-two trillion, six hundred fifty-seven billion, one hundred fifty-one million, one hundred twenty-one thousand, three hundred ninety-nine".