553638377969 has 4 divisors (see below), whose sum is σ = 553642230000. Its totient is φ = 553634525940.

The previous prime is 553638377951. The next prime is 553638378001. The reversal of 553638377969 is 969773836355.

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 553638377969 - 2⁸ = 553638377713 is a prime.

It is a super-2 number, since 2×553638377969² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (553638377909) 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, 1701719 + ... + 2000780.

It is an arithmetic number, because the mean of its divisors is an integer number (138410557500).

Almost surely, 2^553638377969 is an apocalyptic number.

It is an amenable number.

553638377969 is a deficient number, since it is larger than the sum of its proper divisors (3852031).

553638377969 is a wasteful number, since it uses less digits than its factorization.

553638377969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3852030.

The product of its digits is 771573600, while the sum is 71.

The spelling of 553638377969 in words is "five hundred fifty-three billion, six hundred thirty-eight million, three hundred seventy-seven thousand, nine hundred sixty-nine".