9401769939 has 4 divisors (see below), whose sum is σ = 12535693256. Its totient is φ = 6267846624.

The previous prime is 9401769929. The next prime is 9401769941. The reversal of 9401769939 is 9399671049.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9399671049 = 3 ⋅3133223683.

It is a de Polignac number, because none of the positive numbers 2^k-9401769939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9401769929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1566961654 + ... + 1566961659.

It is an arithmetic number, because the mean of its divisors is an integer number (3133923314).

Almost surely, 2^9401769939 is an apocalyptic number.

9401769939 is a deficient number, since it is larger than the sum of its proper divisors (3133923317).

9401769939 is a wasteful number, since it uses less digits than its factorization.

9401769939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3133923316.

The product of its (nonzero) digits is 3306744, while the sum is 57.

The square root of 9401769939 is about 96962.7244821431. The cubic root of 9401769939 is about 2110.5867462966.

The spelling of 9401769939 in words is "nine billion, four hundred one million, seven hundred sixty-nine thousand, nine hundred thirty-nine".