346542198749 has 2 divisors, whose sum is σ = 346542198750. Its totient is φ = 346542198748.

The previous prime is 346542198731. The next prime is 346542198763. The reversal of 346542198749 is 947891245643.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 339065137849 + 7477060900 = 582293^2 + 86470^2 .

It is a cyclic number.

It is not a de Polignac number, because 346542198749 - 2²⁰ = 346541150173 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 346542198691 and 346542198700.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (346542198719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173271099374 + 173271099375.

It is an arithmetic number, because the mean of its divisors is an integer number (173271099375).

Almost surely, 2^346542198749 is an apocalyptic number.

It is an amenable number.

346542198749 is a deficient number, since it is larger than the sum of its proper divisors (1).

346542198749 is an equidigital number, since it uses as much as digits as its factorization.

346542198749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52254720, while the sum is 62.

The spelling of 346542198749 in words is "three hundred forty-six billion, five hundred forty-two million, one hundred ninety-eight thousand, seven hundred forty-nine".