6425969949135 has 80 divisors (see below), whose sum is σ = 12570169974912. Its totient is φ = 3114672523200.

The previous prime is 6425969949131. The next prime is 6425969949137. The reversal of 6425969949135 is 5319499695246.

6425969949135 is a `hidden beast` number, since 6 + 42 + 5 + 9 + 6 + 99 + 491 + 3 + 5 = 666.

It is not a de Polignac number, because 6425969949135 - 2² = 6425969949131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6425969949131) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 14514600 + ... + 14950770.

Almost surely, 2^{6425969949135} is an apocalyptic number.

6425969949135 is a deficient number, since it is larger than the sum of its proper divisors (6144200025777).

6425969949135 is a wasteful number, since it uses less digits than its factorization.

6425969949135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439506 (or 439497 counting only the distinct ones).

The product of its digits is 566870400, while the sum is 72.

The spelling of 6425969949135 in words is "six trillion, four hundred twenty-five billion, nine hundred sixty-nine million, nine hundred forty-nine thousand, one hundred thirty-five".