949439109401 has 2 divisors, whose sum is σ = 949439109402. Its totient is φ = 949439109400.

The previous prime is 949439109397. The next prime is 949439109407. The reversal of 949439109401 is 104901934949.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 528127772176 + 421311337225 = 726724^2 + 649085^2 .

It is a cyclic number.

It is not a de Polignac number, because 949439109401 - 2² = 949439109397 is a prime.

It is not a weakly prime, because it can be changed into another prime (949439109407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 474719554700 + 474719554701.

It is an arithmetic number, because the mean of its divisors is an integer number (474719554701).

Almost surely, 2^949439109401 is an apocalyptic number.

It is an amenable number.

949439109401 is a deficient number, since it is larger than the sum of its proper divisors (1).

949439109401 is an equidigital number, since it uses as much as digits as its factorization.

949439109401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1259712, while the sum is 53.

The spelling of 949439109401 in words is "nine hundred forty-nine billion, four hundred thirty-nine million, one hundred nine thousand, four hundred one".