21462234045 has 32 divisors (see below), whose sum is σ = 39283937280. Its totient is φ = 9801629760.

The previous prime is 21462234037. The next prime is 21462234049. The reversal of 21462234045 is 54043226412.

It is not a de Polignac number, because 21462234045 - 2³ = 21462234037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21462233997 and 21462234015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21462234049) 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, 6700 + ... + 207290.

It is an arithmetic number, because the mean of its divisors is an integer number (1227623040).

Almost surely, 2^21462234045 is an apocalyptic number.

It is an amenable number.

21462234045 is a deficient number, since it is larger than the sum of its proper divisors (17821703235).

21462234045 is a wasteful number, since it uses less digits than its factorization.

21462234045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201625.

The product of its (nonzero) digits is 46080, while the sum is 33.

The spelling of 21462234045 in words is "twenty-one billion, four hundred sixty-two million, two hundred thirty-four thousand, forty-five".