3420150557 has 2 divisors, whose sum is σ = 3420150558. Its totient is φ = 3420150556.

The previous prime is 3420150509. The next prime is 3420150563. The reversal of 3420150557 is 7550510243.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2565523801 + 854626756 = 50651^2 + 29234^2 .

It is a cyclic number.

It is not a de Polignac number, because 3420150557 - 2¹² = 3420146461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3420170557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1710075278 + 1710075279.

It is an arithmetic number, because the mean of its divisors is an integer number (1710075279).

Almost surely, 2^3420150557 is an apocalyptic number.

It is an amenable number.

3420150557 is a deficient number, since it is larger than the sum of its proper divisors (1).

3420150557 is an equidigital number, since it uses as much as digits as its factorization.

3420150557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 3420150557 is about 58482.0532898769. The cubic root of 3420150557 is about 1506.6593629128.

The spelling of 3420150557 in words is "three billion, four hundred twenty million, one hundred fifty thousand, five hundred fifty-seven".