3351409947438 has 32 divisors (see below), whose sum is σ = 8110975336704. Its totient is φ = 901219481472.

The previous prime is 3351409947437. The next prime is 3351409947443. The reversal of 3351409947438 is 8347499041533.

It is a happy number.

It is a super-2 number, since 2×3351409947438² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3351409947437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2346925020 + ... + 2346926447.

It is an arithmetic number, because the mean of its divisors is an integer number (253467979272).

Almost surely, 2^{3351409947438} is an apocalyptic number.

3351409947438 is an abundant number, since it is smaller than the sum of its proper divisors (4759565389266).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3351409947438 is a wasteful number, since it uses less digits than its factorization.

3351409947438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4693851496.

The product of its (nonzero) digits is 39191040, while the sum is 60.

The spelling of 3351409947438 in words is "three trillion, three hundred fifty-one billion, four hundred nine million, nine hundred forty-seven thousand, four hundred thirty-eight".