13551764901 has 4 divisors (see below), whose sum is σ = 18069019872. Its totient is φ = 9034509932.

The previous prime is 13551764861. The next prime is 13551764911. The reversal of 13551764901 is 10946715531.

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 13551764901 - 2⁷ = 13551764773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13551764911) 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, 2258627481 + ... + 2258627486.

It is an arithmetic number, because the mean of its divisors is an integer number (4517254968).

Almost surely, 2^13551764901 is an apocalyptic number.

It is an amenable number.

13551764901 is a deficient number, since it is larger than the sum of its proper divisors (4517254971).

13551764901 is an equidigital number, since it uses as much as digits as its factorization.

13551764901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4517254970.

The product of its (nonzero) digits is 113400, while the sum is 42.

The spelling of 13551764901 in words is "thirteen billion, five hundred fifty-one million, seven hundred sixty-four thousand, nine hundred one".