6425499953029 has 4 divisors (see below), whose sum is σ = 6491742220684. Its totient is φ = 6359257685376.

The previous prime is 6425499953021. The next prime is 6425499953113. The reversal of 6425499953029 is 9203599945246.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2418096530529 + 4007403422500 = 1555023^2 + 2001850^2 .

It is a cyclic number.

It is not a de Polignac number, because 6425499953029 - 2³ = 6425499953021 is a prime.

It is a super-3 number, since 3×6425499953029³ (a number of 39 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6425499953021) 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, 33121133682 + ... + 33121133875.

It is an arithmetic number, because the mean of its divisors is an integer number (1622935555171).

Almost surely, 2^{6425499953029} is an apocalyptic number.

It is an amenable number.

6425499953029 is a deficient number, since it is larger than the sum of its proper divisors (66242267655).

6425499953029 is an equidigital number, since it uses as much as digits as its factorization.

6425499953029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66242267654.

The product of its (nonzero) digits is 188956800, while the sum is 67.

The spelling of 6425499953029 in words is "six trillion, four hundred twenty-five billion, four hundred ninety-nine million, nine hundred fifty-three thousand, twenty-nine".