38247661453 has 2 divisors, whose sum is σ = 38247661454. Its totient is φ = 38247661452.

The previous prime is 38247661369. The next prime is 38247661511. The reversal of 38247661453 is 35416674283.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33268665609 + 4978995844 = 182397^2 + 70562^2 .

It is a cyclic number.

It is not a de Polignac number, because 38247661453 - 2¹³ = 38247653261 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38247661397 and 38247661406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38247661253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19123830726 + 19123830727.

It is an arithmetic number, because the mean of its divisors is an integer number (19123830727).

Almost surely, 2^38247661453 is an apocalyptic number.

It is an amenable number.

38247661453 is a deficient number, since it is larger than the sum of its proper divisors (1).

38247661453 is an equidigital number, since it uses as much as digits as its factorization.

38247661453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2903040, while the sum is 49.

The spelling of 38247661453 in words is "thirty-eight billion, two hundred forty-seven million, six hundred sixty-one thousand, four hundred fifty-three".