6430687374401 has 4 divisors (see below), whose sum is σ = 6431205948804. Its totient is φ = 6430168800000.

The previous prime is 6430687374379. The next prime is 6430687374481. The reversal of 6430687374401 is 1044737860346.

It is a happy number.

It is a Cunningham number, because it is equal to 2535880²+1.

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 2414667366400 + 4016020008001 = 1553920^2 + 2004001^2 .

It is a cyclic number.

It is not a de Polignac number, because 6430687374401 - 2⁶ = 6430687374337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6430687374481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 259268600 + ... + 259293401.

It is an arithmetic number, because the mean of its divisors is an integer number (1607801487201).

Almost surely, 2^{6430687374401} is an apocalyptic number.

It is an amenable number.

6430687374401 is a deficient number, since it is larger than the sum of its proper divisors (518574403).

6430687374401 is a wasteful number, since it uses less digits than its factorization.

6430687374401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518574402.

The product of its (nonzero) digits is 8128512, while the sum is 53.

The spelling of 6430687374401 in words is "six trillion, four hundred thirty billion, six hundred eighty-seven million, three hundred seventy-four thousand, four hundred one".