3479881957 has 2 divisors, whose sum is σ = 3479881958. Its totient is φ = 3479881956.

The previous prime is 3479881919. The next prime is 3479881961. The reversal of 3479881957 is 7591889743.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2280922081 + 1198959876 = 47759^2 + 34626^2 .

It is a cyclic number.

It is not a de Polignac number, because 3479881957 - 2¹⁵ = 3479849189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3479881895 and 3479881904.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3479881057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1739940978 + 1739940979.

It is an arithmetic number, because the mean of its divisors is an integer number (1739940979).

Almost surely, 2^3479881957 is an apocalyptic number.

It is an amenable number.

3479881957 is a deficient number, since it is larger than the sum of its proper divisors (1).

3479881957 is an equidigital number, since it uses as much as digits as its factorization.

3479881957 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15240960, while the sum is 61.

The square root of 3479881957 is about 58990.5242983990. The cubic root of 3479881957 is about 1515.3798358497.

The spelling of 3479881957 in words is "three billion, four hundred seventy-nine million, eight hundred eighty-one thousand, nine hundred fifty-seven".