146401551697 has 2 divisors, whose sum is σ = 146401551698. Its totient is φ = 146401551696.

The previous prime is 146401551691. The next prime is 146401551733. The reversal of 146401551697 is 796155104641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 103736170561 + 42665381136 = 322081^2 + 206556^2 .

It is a cyclic number.

It is not a de Polignac number, because 146401551697 - 2¹¹ = 146401549649 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 146401551697.

It is not a weakly prime, because it can be changed into another prime (146401551691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73200775848 + 73200775849.

It is an arithmetic number, because the mean of its divisors is an integer number (73200775849).

Almost surely, 2^146401551697 is an apocalyptic number.

It is an amenable number.

146401551697 is a deficient number, since it is larger than the sum of its proper divisors (1).

146401551697 is an equidigital number, since it uses as much as digits as its factorization.

146401551697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 907200, while the sum is 49.

The spelling of 146401551697 in words is "one hundred forty-six billion, four hundred one million, five hundred fifty-one thousand, six hundred ninety-seven".