11949713387 has 8 divisors (see below), whose sum is σ = 12215079936. Its totient is φ = 11684810152.

The previous prime is 11949713383. The next prime is 11949713417. The reversal of 11949713387 is 78331794911.

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

It is a cyclic number.

It is not a de Polignac number, because 11949713387 - 2² = 11949713383 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11949713383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63413 + ... + 167094.

It is an arithmetic number, because the mean of its divisors is an integer number (1526884992).

Almost surely, 2^11949713387 is an apocalyptic number.

11949713387 is a deficient number, since it is larger than the sum of its proper divisors (265366549).

11949713387 is a wasteful number, since it uses less digits than its factorization.

11949713387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231657.

The product of its digits is 1143072, while the sum is 53.

The spelling of 11949713387 in words is "eleven billion, nine hundred forty-nine million, seven hundred thirteen thousand, three hundred eighty-seven".