13937431747 has 8 divisors (see below), whose sum is σ = 14293046592. Its totient is φ = 13584278400.

The previous prime is 13937431699. The next prime is 13937431751. The reversal of 13937431747 is 74713473931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13937431747 - 2¹¹ = 13937429699 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13937431747.

It is not an unprimeable number, because it can be changed into a prime (13937431787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 603904 + ... + 626557.

It is an arithmetic number, because the mean of its divisors is an integer number (1786630824).

Almost surely, 2^13937431747 is an apocalyptic number.

13937431747 is a deficient number, since it is larger than the sum of its proper divisors (355614845).

13937431747 is a wasteful number, since it uses less digits than its factorization.

13937431747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1230749.

The product of its digits is 1333584, while the sum is 49.

The spelling of 13937431747 in words is "thirteen billion, nine hundred thirty-seven million, four hundred thirty-one thousand, seven hundred forty-seven".