354027787720453 has 12 divisors (see below), whose sum is σ = 444729121765600. Its totient is φ = 275865808612680.

The previous prime is 354027787720441. The next prime is 354027787720457.

It is a happy number.

354027787720453 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 354027787720453 - 2⁵ = 354027787720421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354027787720457) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 208989248103 + ... + 208989249796.

Almost surely, 2^{354027787720453} is an apocalyptic number.

It is an amenable number.

354027787720453 is a deficient number, since it is larger than the sum of its proper divisors (90701334045147).

354027787720453 is a wasteful number, since it uses less digits than its factorization.

354027787720453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417978497928 (or 417978497917 counting only the distinct ones).

The product of its (nonzero) digits is 276595200, while the sum is 64.

The spelling of 354027787720453 in words is "three hundred fifty-four trillion, twenty-seven billion, seven hundred eighty-seven million, seven hundred twenty thousand, four hundred fifty-three".