3642457351 has 4 divisors (see below), whose sum is σ = 3922646392. Its totient is φ = 3362268312.

The previous prime is 3642457337. The next prime is 3642457361. The reversal of 3642457351 is 1537542463.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1537542463 = 367 ⋅4189489.

It is a de Polignac number, because none of the positive numbers 2^k-3642457351 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 (3642457321) 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, 140094501 + ... + 140094526.

It is an arithmetic number, because the mean of its divisors is an integer number (980661598).

Almost surely, 2^3642457351 is an apocalyptic number.

3642457351 is a deficient number, since it is larger than the sum of its proper divisors (280189041).

3642457351 is a wasteful number, since it uses less digits than its factorization.

3642457351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280189040.

The product of its digits is 302400, while the sum is 40.

The square root of 3642457351 is about 60352.7741781602. The cubic root of 3642457351 is about 1538.6204194982.

The spelling of 3642457351 in words is "three billion, six hundred forty-two million, four hundred fifty-seven thousand, three hundred fifty-one".