15782674680949 has 16 divisors (see below), whose sum is σ = 18261994037760. Its totient is φ = 13488972822000.

The previous prime is 15782674680923. The next prime is 15782674680973. The reversal of 15782674680949 is 94908647628751.

It is not a de Polignac number, because 15782674680949 - 2¹³ = 15782674672757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15782674689949) 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, 288198537 + ... + 288253294.

It is an arithmetic number, because the mean of its divisors is an integer number (1141374627360).

Almost surely, 2^{15782674680949} is an apocalyptic number.

15782674680949 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

15782674680949 is a deficient number, since it is larger than the sum of its proper divisors (2479319356811).

15782674680949 is a wasteful number, since it uses less digits than its factorization.

15782674680949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576451992.

The product of its (nonzero) digits is 1463132160, while the sum is 76.

The spelling of 15782674680949 in words is "fifteen trillion, seven hundred eighty-two billion, six hundred seventy-four million, six hundred eighty thousand, nine hundred forty-nine".