34142021425 has 24 divisors (see below), whose sum is σ = 42687145080. Its totient is φ = 27087936000.

The previous prime is 34142021401. The next prime is 34142021429. The reversal of 34142021425 is 52412024143.

It can be written as a sum of positive squares in 12 ways, for example, as 11675889 + 34130345536 = 3417^2 + 184744^2 .

It is not a de Polignac number, because 34142021425 - 2²³ = 34133632817 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 34142021393 and 34142021402.

It is not an unprimeable number, because it can be changed into a prime (34142021429) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1759275 + ... + 1778575.

It is an arithmetic number, because the mean of its divisors is an integer number (1778631045).

Almost surely, 2^34142021425 is an apocalyptic number.

It is an amenable number.

34142021425 is a deficient number, since it is larger than the sum of its proper divisors (8545123655).

34142021425 is a wasteful number, since it uses less digits than its factorization.

34142021425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19893 (or 19888 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 34142021425 its reverse (52412024143), we get a palindrome (86554045568).

The spelling of 34142021425 in words is "thirty-four billion, one hundred forty-two million, twenty-one thousand, four hundred twenty-five".