618040754421 has 8 divisors (see below), whose sum is σ = 867425620320. Its totient is φ = 390341529072.

The previous prime is 618040754417. The next prime is 618040754423. The reversal of 618040754421 is 124457040816.

618040754421 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 618040754421 - 2² = 618040754417 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (618040754423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5421410070 + ... + 5421410183.

It is an arithmetic number, because the mean of its divisors is an integer number (108428202540).

Almost surely, 2^618040754421 is an apocalyptic number.

It is an amenable number.

618040754421 is a deficient number, since it is larger than the sum of its proper divisors (249384865899).

618040754421 is a wasteful number, since it uses less digits than its factorization.

618040754421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10842820275.

The product of its (nonzero) digits is 215040, while the sum is 42.

The spelling of 618040754421 in words is "six hundred eighteen billion, forty million, seven hundred fifty-four thousand, four hundred twenty-one".