5042455401021 has 16 divisors (see below), whose sum is σ = 6955199140800. Its totient is φ = 3245677239168.

The previous prime is 5042455401019. The next prime is 5042455401023. The reversal of 5042455401021 is 1201045542405.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (5042455401019) and next prime (5042455401023).

It is not a de Polignac number, because 5042455401021 - 2¹ = 5042455401019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5042455401023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7487985 + ... + 8133561.

It is an arithmetic number, because the mean of its divisors is an integer number (434699946300).

Almost surely, 2^{5042455401021} is an apocalyptic number.

It is an amenable number.

5042455401021 is a deficient number, since it is larger than the sum of its proper divisors (1912743739779).

5042455401021 is a wasteful number, since it uses less digits than its factorization.

5042455401021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 735388.

The product of its (nonzero) digits is 32000, while the sum is 33.

The spelling of 5042455401021 in words is "five trillion, forty-two billion, four hundred fifty-five million, four hundred one thousand, twenty-one".