6403532251245 has 64 divisors (see below), whose sum is σ = 10765478465280. Its totient is φ = 3247228569600.

The previous prime is 6403532251183. The next prime is 6403532251271. The reversal of 6403532251245 is 5421522353046.

It is not a de Polignac number, because 6403532251245 - 2¹² = 6403532247149 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6403532251197 and 6403532251206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3306142 + ... + 4872128.

It is an arithmetic number, because the mean of its divisors is an integer number (168210601020).

Almost surely, 2^{6403532251245} is an apocalyptic number.

It is an amenable number.

6403532251245 is a deficient number, since it is larger than the sum of its proper divisors (4361946214035).

6403532251245 is a wasteful number, since it uses less digits than its factorization.

6403532251245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1566206.

The product of its (nonzero) digits is 864000, while the sum is 42.

The spelling of 6403532251245 in words is "six trillion, four hundred three billion, five hundred thirty-two million, two hundred fifty-one thousand, two hundred forty-five".