49097720006399 has 4 divisors (see below), whose sum is σ = 51985821183264. Its totient is φ = 46209618829536.

The previous prime is 49097720006393. The next prime is 49097720006411. The reversal of 49097720006399 is 99360002779094.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49097720006399 is a prime.

It is a super-2 number, since 2×49097720006399² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49097720006393) 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, 1444050588407 + ... + 1444050588440.

It is an arithmetic number, because the mean of its divisors is an integer number (12996455295816).

Almost surely, 2^{49097720006399} is an apocalyptic number.

49097720006399 is a deficient number, since it is larger than the sum of its proper divisors (2888101176865).

49097720006399 is a wasteful number, since it uses less digits than its factorization.

49097720006399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2888101176864.

The product of its (nonzero) digits is 46294416, while the sum is 65.

The spelling of 49097720006399 in words is "forty-nine trillion, ninety-seven billion, seven hundred twenty million, six thousand, three hundred ninety-nine".