39749129430 has 32 divisors (see below), whose sum is σ = 95487228000. Its totient is φ = 10589843712.

The previous prime is 39749129389. The next prime is 39749129449. The reversal of 39749129430 is 3492194793.

It is a congruent number.

It is an unprimeable number.

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, 587655 + ... + 651794.

It is an arithmetic number, because the mean of its divisors is an integer number (2983975875).

Almost surely, 2^39749129430 is an apocalyptic number.

39749129430 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

39749129430 is an abundant number, since it is smaller than the sum of its proper divisors (55738098570).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

39749129430 is a wasteful number, since it uses less digits than its factorization.

39749129430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1240528.

The product of its (nonzero) digits is 1469664, while the sum is 51.

The spelling of 39749129430 in words is "thirty-nine billion, seven hundred forty-nine million, one hundred twenty-nine thousand, four hundred thirty".