19452115048537 has 16 divisors (see below), whose sum is σ = 19846235977920. Its totient is φ = 19061920829952.

The previous prime is 19452115048519. The next prime is 19452115048559. The reversal of 19452115048537 is 73584051125491.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19452115048537 is a prime.

It is a super-2 number, since 2×19452115048537² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19452115048507) 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, 150257278 + ... + 150386680.

It is an arithmetic number, because the mean of its divisors is an integer number (1240389748620).

Almost surely, 2^{19452115048537} is an apocalyptic number.

It is an amenable number.

19452115048537 is a deficient number, since it is larger than the sum of its proper divisors (394120929383).

19452115048537 is a wasteful number, since it uses less digits than its factorization.

19452115048537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144552.

The product of its (nonzero) digits is 6048000, while the sum is 55.

The spelling of 19452115048537 in words is "nineteen trillion, four hundred fifty-two billion, one hundred fifteen million, forty-eight thousand, five hundred thirty-seven".