3493807703929 has 3 divisors (see below), whose sum is σ = 3493809573103. Its totient is φ = 3493805834756.

The previous prime is 3493807703899. The next prime is 3493807703941. The reversal of 3493807703929 is 9293077083943.

The square root of 3493807703929 is 1869173.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 3490189922025 + 3617781904 = 1868205^2 + 60148^2 .

It is not a de Polignac number, because 3493807703929 - 2³⁷ = 3356368750457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3493807706929) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 934587 + ... + 2803759.

Almost surely, 2^{3493807703929} is an apocalyptic number.

3493807703929 is the 1869173-rd square number.

3493807703929 is the 934587-th centered octagonal number.

It is an amenable number.

3493807703929 is a deficient number, since it is larger than the sum of its proper divisors (1869174).

3493807703929 is an frugal number, since it uses more digits than its factorization.

3493807703929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3738346 (or 1869173 counting only the distinct ones).

The product of its (nonzero) digits is 61725888, while the sum is 64.

Multiplying 3493807703929 by its sum of digits (64), we get a square (223603693051456 = 14953384²).

The spelling of 3493807703929 in words is "three trillion, four hundred ninety-three billion, eight hundred seven million, seven hundred three thousand, nine hundred twenty-nine".