1245035406398 has 16 divisors (see below), whose sum is σ = 2153234435040. Its totient is φ = 528864596736.

The previous prime is 1245035406343. The next prime is 1245035406403. The reversal of 1245035406398 is 8936045305421.

It is a super-2 number, since 2×1245035406398² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 393498863 + ... + 393502026.

It is an arithmetic number, because the mean of its divisors is an integer number (134577152190).

Almost surely, 2^{1245035406398} is an apocalyptic number.

1245035406398 is a deficient number, since it is larger than the sum of its proper divisors (908199028642).

1245035406398 is a wasteful number, since it uses less digits than its factorization.

1245035406398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787001011.

The product of its (nonzero) digits is 3110400, while the sum is 50.

The spelling of 1245035406398 in words is "one trillion, two hundred forty-five billion, thirty-five million, four hundred six thousand, three hundred ninety-eight".