4021422145213 has 4 divisors (see below), whose sum is σ = 4387005976608. Its totient is φ = 3655838313820.

The previous prime is 4021422145211. The next prime is 4021422145267. The reversal of 4021422145213 is 3125412241204.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 4021422145213 - 2¹ = 4021422145211 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 (4021422145211) 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, 182791915681 + ... + 182791915702.

It is an arithmetic number, because the mean of its divisors is an integer number (1096751494152).

Almost surely, 2^{4021422145213} is an apocalyptic number.

It is an amenable number.

4021422145213 is a deficient number, since it is larger than the sum of its proper divisors (365583831395).

4021422145213 is a wasteful number, since it uses less digits than its factorization.

4021422145213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365583831394.

The product of its (nonzero) digits is 15360, while the sum is 31.

Adding to 4021422145213 its reverse (3125412241204), we get a palindrome (7146834386417).

The spelling of 4021422145213 in words is "four trillion, twenty-one billion, four hundred twenty-two million, one hundred forty-five thousand, two hundred thirteen".