1739400961 has 4 divisors (see below), whose sum is σ = 1830948400. Its totient is φ = 1647853524.

The previous prime is 1739400941. The next prime is 1739400983. The reversal of 1739400961 is 1690049371.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1690049371 = 16567 ⋅102013.

It is a cyclic number.

It is not a de Polignac number, because 1739400961 - 2²⁷ = 1605183233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1739400911) 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, 45773691 + ... + 45773728.

It is an arithmetic number, because the mean of its divisors is an integer number (457737100).

Almost surely, 2^1739400961 is an apocalyptic number.

It is an amenable number.

1739400961 is a deficient number, since it is larger than the sum of its proper divisors (91547439).

1739400961 is an equidigital number, since it uses as much as digits as its factorization.

1739400961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91547438.

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 1739400961 is about 41706.1261806944. The cubic root of 1739400961 is about 1202.6333284334.

The spelling of 1739400961 in words is "one billion, seven hundred thirty-nine million, four hundred thousand, nine hundred sixty-one".