3457473661 has 4 divisors (see below), whose sum is σ = 3461269824. Its totient is φ = 3453677500.

The previous prime is 3457473659. The next prime is 3457473671. The reversal of 3457473661 is 1663747543.

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: 1663747543 = 197 ⋅8445419.

It is a cyclic number.

It is not a de Polignac number, because 3457473661 - 2¹ = 3457473659 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3457473671) 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, 1896715 + ... + 1898536.

It is an arithmetic number, because the mean of its divisors is an integer number (865317456).

Almost surely, 2^3457473661 is an apocalyptic number.

It is an amenable number.

3457473661 is a deficient number, since it is larger than the sum of its proper divisors (3796163).

3457473661 is an equidigital number, since it uses as much as digits as its factorization.

3457473661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3796162.

The product of its digits is 1270080, while the sum is 46.

The square root of 3457473661 is about 58800.2862322965. The cubic root of 3457473661 is about 1512.1201247667.

The spelling of 3457473661 in words is "three billion, four hundred fifty-seven million, four hundred seventy-three thousand, six hundred sixty-one".