2021464450125 has 96 divisors (see below), whose sum is σ = 3692100222720. Its totient is φ = 1063920873600.

The previous prime is 2021464450091. The next prime is 2021464450127. The reversal of 2021464450125 is 5210544641202.

2021464450125 is a `hidden beast` number, since 2 + 0 + 2 + 1 + 4 + 644 + 5 + 0 + 1 + 2 + 5 = 666.

It is not a de Polignac number, because 2021464450125 - 2¹³ = 2021464441933 is a prime.

It is a super-2 number, since 2×2021464450125² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2021464450125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021464450127) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 85799847 + ... + 85823403.

It is an arithmetic number, because the mean of its divisors is an integer number (38459377320).

Almost surely, 2^{2021464450125} is an apocalyptic number.

2021464450125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2021464450125 is a deficient number, since it is larger than the sum of its proper divisors (1670635772595).

2021464450125 is a wasteful number, since it uses less digits than its factorization.

2021464450125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24580 (or 24567 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

The spelling of 2021464450125 in words is "two trillion, twenty-one billion, four hundred sixty-four million, four hundred fifty thousand, one hundred twenty-five".