1416349957 has 4 divisors (see below), whose sum is σ = 1545109056. Its totient is φ = 1287590860.

The previous prime is 1416349939. The next prime is 1416349981. The reversal of 1416349957 is 7599436141.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1416349957 - 2¹¹ = 1416347909 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 1416349957.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1416349997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64379533 + ... + 64379554.

It is an arithmetic number, because the mean of its divisors is an integer number (386277264).

Almost surely, 2^1416349957 is an apocalyptic number.

It is an amenable number.

1416349957 is a deficient number, since it is larger than the sum of its proper divisors (128759099).

1416349957 is a wasteful number, since it uses less digits than its factorization.

1416349957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128759098.

The product of its digits is 816480, while the sum is 49.

The square root of 1416349957 is about 37634.4251583573. The cubic root of 1416349957 is about 1123.0269831099.

The spelling of 1416349957 in words is "one billion, four hundred sixteen million, three hundred forty-nine thousand, nine hundred fifty-seven".