45998738724169 has 45 divisors (see below), whose sum is σ = 58988541560109. Its totient is φ = 35840324492280.

The previous prime is 45998738724101. The next prime is 45998738724181. The reversal of 45998738724169 is 96142783789954.

The square root of 45998738724169 is 6782237.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 45998738724169 - 2⁷ = 45998738724041 is a prime.

It is a super-2 number, since 2×45998738724169² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45998738724092 and 45998738724101.

It is not an unprimeable number, because it can be changed into a prime (45998738724569) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 3655619452 + ... + 3655632034.

Almost surely, 2^{45998738724169} is an apocalyptic number.

45998738724169 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

45998738724169 is the 6782237-th square number.

45998738724169 is the 3391119-th centered octagonal number.

It is an amenable number.

45998738724169 is a deficient number, since it is larger than the sum of its proper divisors (12989802835940).

45998738724169 is an frugal number, since it uses more digits than its factorization.

45998738724169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25216 (or 12601 counting only the distinct ones).

The product of its digits is 6584094720, while the sum is 82.

The spelling of 45998738724169 in words is "forty-five trillion, nine hundred ninety-eight billion, seven hundred thirty-eight million, seven hundred twenty-four thousand, one hundred sixty-nine".