3462649821 has 6 divisors (see below), whose sum is σ = 5001605310. Its totient is φ = 2308433208.

The previous prime is 3462649819. The next prime is 3462649823. The reversal of 3462649821 is 1289462643.

It is an interprime number because it is at equal distance from previous prime (3462649819) and next prime (3462649823).

It can be written as a sum of positive squares in only one way, i.e., 3404722500 + 57927321 = 58350^2 + 7611^2 .

It is not a de Polignac number, because 3462649821 - 2¹ = 3462649819 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3462649823) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 192369426 + ... + 192369443.

It is an arithmetic number, because the mean of its divisors is an integer number (833600885).

Almost surely, 2^3462649821 is an apocalyptic number.

It is an amenable number.

3462649821 is a deficient number, since it is larger than the sum of its proper divisors (1538955489).

3462649821 is a wasteful number, since it uses less digits than its factorization.

3462649821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384738875 (or 384738872 counting only the distinct ones).

The product of its digits is 497664, while the sum is 45.

The square root of 3462649821 is about 58844.2845227980. The cubic root of 3462649821 is about 1512.8743433874.

The spelling of 3462649821 in words is "three billion, four hundred sixty-two million, six hundred forty-nine thousand, eight hundred twenty-one".