4291242758421 has 32 divisors (see below), whose sum is σ = 6153577475328. Its totient is φ = 2650289402880.

The previous prime is 4291242758347. The next prime is 4291242758497. The reversal of 4291242758421 is 1248572421924.

It is not a de Polignac number, because 4291242758421 - 2¹⁷ = 4291242627349 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4291242758221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1253035 + ... + 3186311.

It is an arithmetic number, because the mean of its divisors is an integer number (192299296104).

Almost surely, 2^{4291242758421} is an apocalyptic number.

It is an amenable number.

4291242758421 is a deficient number, since it is larger than the sum of its proper divisors (1862334716907).

4291242758421 is a wasteful number, since it uses less digits than its factorization.

4291242758421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1933981.

The product of its digits is 2580480, while the sum is 51.

The spelling of 4291242758421 in words is "four trillion, two hundred ninety-one billion, two hundred forty-two million, seven hundred fifty-eight thousand, four hundred twenty-one".