35171420149 has 2 divisors, whose sum is σ = 35171420150. Its totient is φ = 35171420148.

The previous prime is 35171420107. The next prime is 35171420189. The reversal of 35171420149 is 94102417153.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34896855249 + 274564900 = 186807^2 + 16570^2 .

It is a cyclic number.

It is not a de Polignac number, because 35171420149 - 2²⁵ = 35137865717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (35171420189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17585710074 + 17585710075.

It is an arithmetic number, because the mean of its divisors is an integer number (17585710075).

Almost surely, 2^35171420149 is an apocalyptic number.

It is an amenable number.

35171420149 is a deficient number, since it is larger than the sum of its proper divisors (1).

35171420149 is an equidigital number, since it uses as much as digits as its factorization.

35171420149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 37.

The spelling of 35171420149 in words is "thirty-five billion, one hundred seventy-one million, four hundred twenty thousand, one hundred forty-nine".