3480729011378 has 8 divisors (see below), whose sum is σ = 5221761455772. Its totient is φ = 1740141859456.

The previous prime is 3480729011369. The next prime is 3480729011387. The reversal of 3480729011378 is 8731109270843.

It is an interprime number because it is at equal distance from previous prime (3480729011369) and next prime (3480729011387).

It can be written as a sum of positive squares in 2 ways, for example, as 2214075552529 + 1266653458849 = 1487977^2 + 1125457^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111303575 + ... + 111334842.

Almost surely, 2^{3480729011378} is an apocalyptic number.

3480729011378 is a deficient number, since it is larger than the sum of its proper divisors (1741032444394).

3480729011378 is a wasteful number, since it uses less digits than its factorization.

3480729011378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222646236.

The product of its (nonzero) digits is 2032128, while the sum is 53.

The spelling of 3480729011378 in words is "three trillion, four hundred eighty billion, seven hundred twenty-nine million, eleven thousand, three hundred seventy-eight".