14536902381 has 32 divisors (see below), whose sum is σ = 20011380480. Its totient is φ = 9382324224.

The previous prime is 14536902379. The next prime is 14536902403. The reversal of 14536902381 is 18320963541.

It is not a de Polignac number, because 14536902381 - 2¹ = 14536902379 is a prime.

It is a super-2 number, since 2×14536902381² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14536904381) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5998336 + ... + 6000758.

It is an arithmetic number, because the mean of its divisors is an integer number (625355640).

Almost surely, 2^14536902381 is an apocalyptic number.

It is an amenable number.

14536902381 is a deficient number, since it is larger than the sum of its proper divisors (5474478099).

14536902381 is a wasteful number, since it uses less digits than its factorization.

14536902381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2965.

The product of its (nonzero) digits is 155520, while the sum is 42.

It can be divided in two parts, 1453690 and 2381, that added together give a triangular number (1456071 = T₁₇₀₆).

The spelling of 14536902381 in words is "fourteen billion, five hundred thirty-six million, nine hundred two thousand, three hundred eighty-one".