354739920463 has 4 divisors (see below), whose sum is σ = 354878655880. Its totient is φ = 354601185048.

The previous prime is 354739920461. The next prime is 354739920517. The reversal of 354739920463 is 364029937453.

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

It is a cyclic number.

It is not a de Polignac number, because 354739920463 - 2¹ = 354739920461 is a prime.

It is a super-2 number, since 2×354739920463² (a number of 24 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 (354739920461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69363873 + ... + 69368986.

It is an arithmetic number, because the mean of its divisors is an integer number (88719663970).

Almost surely, 2^354739920463 is an apocalyptic number.

354739920463 is a deficient number, since it is larger than the sum of its proper divisors (138735417).

354739920463 is a wasteful number, since it uses less digits than its factorization.

354739920463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138735416.

The product of its (nonzero) digits is 14696640, while the sum is 55.

The spelling of 354739920463 in words is "three hundred fifty-four billion, seven hundred thirty-nine million, nine hundred twenty thousand, four hundred sixty-three".