63698541 has 8 divisors (see below), whose sum is σ = 89927424. Its totient is φ = 39967680.

The previous prime is 63698539. The next prime is 63698549. The reversal of 63698541 is 14589636.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 63698541 - 2¹ = 63698539 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 63698493 and 63698502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63698549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 624445 + ... + 624546.

It is an arithmetic number, because the mean of its divisors is an integer number (11240928).

Almost surely, 2^63698541 is an apocalyptic number.

It is an amenable number.

63698541 is a deficient number, since it is larger than the sum of its proper divisors (26228883).

63698541 is a wasteful number, since it uses less digits than its factorization.

63698541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1249011.

The product of its digits is 155520, while the sum is 42.

The square root of 63698541 is about 7981.1365731956. The cubic root of 63698541 is about 399.3709717438.

The spelling of 63698541 in words is "sixty-three million, six hundred ninety-eight thousand, five hundred forty-one".