3486400979 has 2 divisors, whose sum is σ = 3486400980. Its totient is φ = 3486400978.

The previous prime is 3486400949. The next prime is 3486400993. The reversal of 3486400979 is 9790046843.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3486400979 - 2¹² = 3486396883 is a prime.

It is not a weakly prime, because it can be changed into another prime (3486400949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1743200489 + 1743200490.

It is an arithmetic number, because the mean of its divisors is an integer number (1743200490).

Almost surely, 2^3486400979 is an apocalyptic number.

3486400979 is a deficient number, since it is larger than the sum of its proper divisors (1).

3486400979 is an equidigital number, since it uses as much as digits as its factorization.

3486400979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1306368, while the sum is 50.

The square root of 3486400979 is about 59045.7532681225. The cubic root of 3486400979 is about 1516.3255223436.

The spelling of 3486400979 in words is "three billion, four hundred eighty-six million, four hundred thousand, nine hundred seventy-nine".