1354879349 has 2 divisors, whose sum is σ = 1354879350. Its totient is φ = 1354879348.

The previous prime is 1354879271. The next prime is 1354879373. The reversal of 1354879349 is 9439784531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1020355249 + 334524100 = 31943^2 + 18290^2 .

It is a cyclic number.

It is not a de Polignac number, because 1354879349 - 2¹⁶ = 1354813813 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1354879349.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1354879049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 677439674 + 677439675.

It is an arithmetic number, because the mean of its divisors is an integer number (677439675).

Almost surely, 2^1354879349 is an apocalyptic number.

It is an amenable number.

1354879349 is a deficient number, since it is larger than the sum of its proper divisors (1).

1354879349 is an equidigital number, since it uses as much as digits as its factorization.

1354879349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3265920, while the sum is 53.

The square root of 1354879349 is about 36808.6857820270. The cubic root of 1354879349 is about 1106.5393801181.

The spelling of 1354879349 in words is "one billion, three hundred fifty-four million, eight hundred seventy-nine thousand, three hundred forty-nine".