1941392901 has 16 divisors (see below), whose sum is σ = 3086936064. Its totient is φ = 1061133744.

The previous prime is 1941392897. The next prime is 1941392909. The reversal of 1941392901 is 1092931491.

It is not a de Polignac number, because 1941392901 - 2² = 1941392897 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1941392901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1941392909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2009241 + ... + 2010206.

It is an arithmetic number, because the mean of its divisors is an integer number (192933504).

Almost surely, 2^1941392901 is an apocalyptic number.

It is an amenable number.

1941392901 is a deficient number, since it is larger than the sum of its proper divisors (1145543163).

1941392901 is a wasteful number, since it uses less digits than its factorization.

1941392901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4019480.

The product of its (nonzero) digits is 17496, while the sum is 39.

The square root of 1941392901 is about 44061.2403479521. The cubic root of 1941392901 is about 1247.4921240247.

The spelling of 1941392901 in words is "one billion, nine hundred forty-one million, three hundred ninety-two thousand, nine hundred one".