245413351251401 has 4 divisors (see below), whose sum is σ = 245553347460372. Its totient is φ = 245273355042432.

The previous prime is 245413351251389. The next prime is 245413351251407. The reversal of 245413351251401 is 104152153314542.

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 139736986681600 + 105676364569801 = 11821040^2 + 10279901^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245413351251401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245413351251407) 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, 69998101856 + ... + 69998105361.

It is an arithmetic number, because the mean of its divisors is an integer number (61388336865093).

Almost surely, 2^{245413351251401} is an apocalyptic number.

It is an amenable number.

245413351251401 is a deficient number, since it is larger than the sum of its proper divisors (139996208971).

245413351251401 is a wasteful number, since it uses less digits than its factorization.

245413351251401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139996208970.

The product of its (nonzero) digits is 288000, while the sum is 41.

The spelling of 245413351251401 in words is "two hundred forty-five trillion, four hundred thirteen billion, three hundred fifty-one million, two hundred fifty-one thousand, four hundred one".