39825213501 has 16 divisors (see below), whose sum is σ = 53838734400. Its totient is φ = 26182493568.

The previous prime is 39825213497. The next prime is 39825213553. The reversal of 39825213501 is 10531252893.

It is not a de Polignac number, because 39825213501 - 2² = 39825213497 is a prime.

It is a super-3 number, since 3×39825213501³ (a number of 33 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 39825213501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39825233501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95586 + ... + 297971.

It is an arithmetic number, because the mean of its divisors is an integer number (3364920900).

Almost surely, 2^39825213501 is an apocalyptic number.

It is an amenable number.

39825213501 is a deficient number, since it is larger than the sum of its proper divisors (14013520899).

39825213501 is a wasteful number, since it uses less digits than its factorization.

39825213501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394028.

The product of its (nonzero) digits is 64800, while the sum is 39.

The spelling of 39825213501 in words is "thirty-nine billion, eight hundred twenty-five million, two hundred thirteen thousand, five hundred one".