354609979 has 2 divisors, whose sum is σ = 354609980. Its totient is φ = 354609978.

The previous prime is 354609967. The next prime is 354610031. The reversal of 354609979 is 979906453.

It is an a-pointer prime, because the next prime (354610031) can be obtained adding 354609979 to its sum of digits (52).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 354609979 - 2²⁷ = 220392251 is a prime.

It is not a weakly prime, because it can be changed into another prime (354609679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177304989 + 177304990.

It is an arithmetic number, because the mean of its divisors is an integer number (177304990).

Almost surely, 2^354609979 is an apocalyptic number.

354609979 is a deficient number, since it is larger than the sum of its proper divisors (1).

354609979 is an equidigital number, since it uses as much as digits as its factorization.

354609979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1837080, while the sum is 52.

The square root of 354609979 is about 18831.0907543881. The cubic root of 354609979 is about 707.8104729322.

The spelling of 354609979 in words is "three hundred fifty-four million, six hundred nine thousand, nine hundred seventy-nine".