1546402226377 has 2 divisors, whose sum is σ = 1546402226378. Its totient is φ = 1546402226376.

The previous prime is 1546402226371. The next prime is 1546402226419. The reversal of 1546402226377 is 7736222046451.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1441389935241 + 105012291136 = 1200579^2 + 324056^2 .

It is a cyclic number.

It is not a de Polignac number, because 1546402226377 - 2⁷ = 1546402226249 is a prime.

It is a super-2 number, since 2×1546402226377² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1546402226377.

It is not a weakly prime, because it can be changed into another prime (1546402226371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 773201113188 + 773201113189.

It is an arithmetic number, because the mean of its divisors is an integer number (773201113189).

Almost surely, 2^{1546402226377} is an apocalyptic number.

It is an amenable number.

1546402226377 is a deficient number, since it is larger than the sum of its proper divisors (1).

1546402226377 is an equidigital number, since it uses as much as digits as its factorization.

1546402226377 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3386880, while the sum is 49.

The spelling of 1546402226377 in words is "one trillion, five hundred forty-six billion, four hundred two million, two hundred twenty-six thousand, three hundred seventy-seven".