13149703437 has 16 divisors (see below), whose sum is σ = 19017472320. Its totient is φ = 8033905152.

The previous prime is 13149703433. The next prime is 13149703447. The reversal of 13149703437 is 73430794131.

It is not a de Polignac number, because 13149703437 - 2² = 13149703433 is a prime.

It is a super-2 number, since 2×13149703437² (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 (13149703433) 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, 1207428 + ... + 1218269.

It is an arithmetic number, because the mean of its divisors is an integer number (1188592020).

Almost surely, 2^13149703437 is an apocalyptic number.

It is an amenable number.

13149703437 is a deficient number, since it is larger than the sum of its proper divisors (5867768883).

13149703437 is a wasteful number, since it uses less digits than its factorization.

13149703437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2425852.

The product of its (nonzero) digits is 190512, while the sum is 42.

The spelling of 13149703437 in words is "thirteen billion, one hundred forty-nine million, seven hundred three thousand, four hundred thirty-seven".