1343992377 has 32 divisors (see below), whose sum is σ = 2219644672. Its totient is φ = 704381184.

The previous prime is 1343992337. The next prime is 1343992381. The reversal of 1343992377 is 7732993431.

It is not a de Polignac number, because 1343992377 - 2⁸ = 1343992121 is a prime.

It is a super-2 number, since 2×1343992377² = 3612631018868220258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1343992337) 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, 27183 + ... + 58539.

It is an arithmetic number, because the mean of its divisors is an integer number (69363896).

Almost surely, 2^1343992377 is an apocalyptic number.

It is an amenable number.

1343992377 is a deficient number, since it is larger than the sum of its proper divisors (875652295).

1343992377 is a wasteful number, since it uses less digits than its factorization.

1343992377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31537.

The product of its digits is 857304, while the sum is 48.

The square root of 1343992377 is about 36660.5015923132. The cubic root of 1343992377 is about 1103.5675841121.

The spelling of 1343992377 in words is "one billion, three hundred forty-three million, nine hundred ninety-two thousand, three hundred seventy-seven".