4251128887297 has 4 divisors (see below), whose sum is σ = 4270192245760. Its totient is φ = 4232065528836.

The previous prime is 4251128887283. The next prime is 4251128887309. The reversal of 4251128887297 is 7927888211524.

4251128887297 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4251128887297 - 2²³ = 4251120498689 is a prime.

It is a super-2 number, since 2×4251128887297² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4251828887297) 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, 9531678897 + ... + 9531679342.

It is an arithmetic number, because the mean of its divisors is an integer number (1067548061440).

Almost surely, 2^{4251128887297} is an apocalyptic number.

It is an amenable number.

4251128887297 is a deficient number, since it is larger than the sum of its proper divisors (19063358463).

4251128887297 is a wasteful number, since it uses less digits than its factorization.

4251128887297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19063358462.

The product of its digits is 36126720, while the sum is 64.

The spelling of 4251128887297 in words is "four trillion, two hundred fifty-one billion, one hundred twenty-eight million, eight hundred eighty-seven thousand, two hundred ninety-seven".