6425623435738 has 64 divisors (see below), whose sum is σ = 10788992847360. Its totient is φ = 2849762668032.

The previous prime is 6425623435723. The next prime is 6425623435739. The reversal of 6425623435738 is 8375343265246.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (58).

It is not an unprimeable number, because it can be changed into a prime (6425623435739) 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, 429886381 + ... + 429901327.

It is an arithmetic number, because the mean of its divisors is an integer number (168578013240).

Almost surely, 2^{6425623435738} is an apocalyptic number.

6425623435738 is a deficient number, since it is larger than the sum of its proper divisors (4363369411622).

6425623435738 is a wasteful number, since it uses less digits than its factorization.

6425623435738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17671.

The product of its digits is 87091200, while the sum is 58.

The spelling of 6425623435738 in words is "six trillion, four hundred twenty-five billion, six hundred twenty-three million, four hundred thirty-five thousand, seven hundred thirty-eight".