3420330157 has 2 divisors, whose sum is σ = 3420330158. Its totient is φ = 3420330156.

The previous prime is 3420330103. The next prime is 3420330169. The reversal of 3420330157 is 7510330243.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3419208676 + 1121481 = 58474^2 + 1059^2 .

It is a cyclic number.

It is not a de Polignac number, because 3420330157 - 2²⁷ = 3286112429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3420330187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1710165078 + 1710165079.

It is an arithmetic number, because the mean of its divisors is an integer number (1710165079).

Almost surely, 2^3420330157 is an apocalyptic number.

It is an amenable number.

3420330157 is a deficient number, since it is larger than the sum of its proper divisors (1).

3420330157 is an equidigital number, since it uses as much as digits as its factorization.

3420330157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 28.

The square root of 3420330157 is about 58483.5887835211. The cubic root of 3420330157 is about 1506.6857351715.

The spelling of 3420330157 in words is "three billion, four hundred twenty million, three hundred thirty thousand, one hundred fifty-seven".